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Terms containing Graphite | all forms | exact matches only
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chem.Acheson graphite艾奇逊石墨
chem.Acheson graphite阿切孙石墨
tech.Acheson graphite阿奇逊人造石墨
earth.sc.advanced gas-cooled graphite moderated reactor先进气冷式石墨慢化反应堆
earth.sc.advanced graphite reactor改进型石墨反应堆
gen.all-graphite全石墨的
tech.all-graphite reflector全石墨反射层
earth.sc.American high-density graphite美国高密度石墨
chem.amorphous graphite无定形石墨填料
tech.amorphous graphite非晶质石墨
tech.amorphous graphite土状石墨
tech.amorphous graphite in powder非晶质石墨粉
chem.anisotropic pyrolytic graphite各向异性热解石墨
tech.aphanitic earthy graphite deposit隐晶质土状石墨矿床
chem.artificial graphite人造石墨填料
tech.atomization in graphite crucible石墨坩埚原子化法
tech.atomization in graphite tube furnace石墨管炉原子化法
chem.atomizer using graphite furnace石墨炉原子化器
tech.A-type graphite均匀片状石墨
earth.sc.bismuth-graphite reactor石黑慢化铋冷却反应堆
tech.black graphite paint黑色石墨涂料
tech.blast-furnace graphite高炉石墨
chem.block-type graphite heat exchanger方块式石墨换热器
tech.blocky graphite块状石墨
tech.boronated graphite含硼石墨
tech.bridged graphite桥接石墨
auto.bronze-graphite bearing青铜石墨轴承
tech.bronze-graphite contact material青铜石墨电接触器材
earth.sc.brookhaven graphite research reactor布鲁克黑文研究性石黑反应堆
gen.Brookhaven Graphite Research Reactor布鲁克海文研究性石墨慢化反应堆
mater.sc.carbon and graphite material碳一石墨材料
auto.carbon graphite炭石墨
tech.carbon graphite fibre碳石墨纤维
chem.carbon-graphite reinforcing fibre碳-石墨增强纤维
chem.cast graphite铸塑石墨
gen.cast-iron consisting of graphite in a matrix of austenite and containing nickel 16%16% 高镍耐蚀铸铁含 Nil6,Cu6,C3,Sil.5%
auto.cast-iron sleeve impregnated with graphite渗石墨铸铁缸套
earth.sc.Ceramic & Graphite Information Center陶瓷与石墨信息中心
chem.clay-graphite refractory products粘土石墨制品
tech.colloidal graphite胶态石墨
chem.colloidal graphite胶体〔胶状〕石墨
chem.colloidal graphite石墨乳
auto.colloidal graphite乳化胶体石墨
shipb.colloidal graphite石墨乳润滑剂
tech.colloidal graphite for cathode tube inner coating电子束管内导电石墨乳
tech.colloidal graphite for fibre glass玻纤涂膜石墨乳
tech.colloidal graphite for press forging锻压石墨乳
chem.colloidal graphite lubrication胶态石墨的润滑作用
tech.colloidal graphite mixed with water水基石墨润滑剂
tech.compact crystalline graphite致密结晶状石墨
auto.compacted graphite cast iron墨铸
tech.compacted graphite cast iron蠕墨铸铁
chem.completely pyrolytic graphite tube全热解石墨管
tech.compression-annealed pyrolytic graphite压缩退火热解石墨
tech.copper-graphite alloy铜石墨合金
auto.copper-graphite brush铜-石墨电刷
tech.copper-graphite composition铜石墨制品
tech.coral graphite珊瑚状细石墨
tech.cryptocrystalline graphite隐晶石墨
tech.cryptocrystalline graphite ore隐晶质石墨
tech.crystalline flake graphite结晶鳞片石墨
tech.crystalline flake graphite鳞片石墨
tech.crystalline flaky graphite deposit晶质鳞片状石墨矿床
tech.crystalline graphite ore晶质石墨矿石
tech.C-type graphite重叠状石墨
chem.cylindrical graphite furnace管状石墨炉
tech.dead graphite不含铀块石墨
tech.dead graphite不含铀石墨
tech.deflocculated Acheson graphite炭末润滑剂
busin.Deflocculated Acheson Graphite石墨粉
gen.deflocculated Acheson graphite胶态人造石墨
gen.deflocculated Acheson graphite反絮凝艾奇逊石墨
chem.deflocculated graphite胶态石墨在润滑脂上
tech.deflocculated graphite胶态石墨
chem.delanium graphite safety disc高纯度压缩石墨安全盘
tech.direct graphite furnace method直接石墨炉法
tech.earthy graphite土状石墨
auto.electrode graphite电极石墨
chem.electrothermal graphite电加热石墨炉
chem.electrothermal graphite atomizer电加热石墨炉原子化器
tech.enriched uranium graphite moderated reactor浓缩铀石墨慢化反应堆
energ.ind.enriched uranium-graphite moderated reactor浓缩铀石墨慢化反应堆
earth.sc.epoxy/graphite环氧树脂/石墨
chem.expandable graphite可膨胀石墨阻燃体系
auto.expansion graphite膨胀石墨
tech.extraction graphite furnace method萃取石墨炉法
tech.extruded graphite挤压成型石墨
auto.filter graphite过滤石墨
tech.finest grade of graphite最纯的石墨
chem.fire clay graphite brick石墨粘土砖
tech.flake graphite石墨粉
chem.flake graphite片状石墨
chem.flake graphite鳞片获石墨
tech.flake graphite鳞片石墨
auto.flake graphite ecas iron片墨铸铁
tech.flaked graphite薄片石墨
chem.flaky graphite鳞片获石墨
chem.flaky graphite鳞状石墨
tech.flaky graphite薄片状石墨
tech.flexible graphite柔性石墨
auto.flexible graphite gasket弹性石墨密封衬垫
tech.flexible graphite gasket柔性石墨垫片
chem.gas graphite reactor气冷石墨反应
chem.Girard-Street graphite process吉拉德-斯特里特石墨制造法
auto.glass-graphite propeller shaft石墨玻璃钢传动轴
auto.globular graphite状石
tech.graphite acid石墨酸
tech.graphite aggregate退火石墨
tech.graphite agitator石墨搅拌器
chem.graphite-alkali metal compound石墨-碱金属化合物
tech.graphite annulus石墨环 (面)
chem.graphite anode electrolytic cell石墨阳极电解槽
tech.graphite apex seal石墨径向密封片
chem.graphite arc石墨电弧
chem.graphite atomic absorption spectrometry石墨炉原子吸收光谱法
tech.graphite atomizer石墨喷雾器
tech.graphite bar electric furnace石墨棒电炉
tech.graphite bar electrical furnace石墨棒电炉
tech.graphite-base composite material石墨基复合材料
tech.graphite-base composite material石墨基合成材料
tech.graphite bearing石墨板
tech.graphite biotite plagioclase gneiss石墨黑云斜长片麻岩
tech.graphite block石墨块
tech.graphite block air seal石墨块挡风圈
tech.graphite block air seal石墨块密封圈
tech.graphite block body石墨块体
tech.graphite boat石墨舟
tech.graphite body石墨体
mil., air.def.graphite bomb石墨炸弹
tech.graphite bonded refractory石墨结合耐火材料
chem.graphite braid atomizer石墨带原子化器
tech.graphite-brass composition石墨黄铜混合料
archit.graphite brick石墨砖
tech.graphite brick石墨耐火
tech.graphite brick work石墨砖结构
tech.graphite bronze石墨青铜
tech.graphite bronze bearing石墨青铜轴承
tech.graphite buffer碳缓冲
auto.graphite bush石墨衬
tech.graphite bush石墨套管
auto.graphite bushing石墨衬
construct.graphite cake石墨板〔片〕
tech.graphite cake石墨板
tech.graphite cake石墨块
tech.graphite cake石墨片
auto.graphite calcium base grease石墨钙基润滑脂
auto.graphite cast iron球铁
auto.graphite cast iron球墨铸铁
tech.graphite-ceramic fiber reinforced phenolic resin石墨陶瓷纤维
tech.graphite clay石墨黏土
chem.graphite clay brick石墨粘土砖
tech.graphite-clay brick石墨黏土砖
tech.graphite coating石墨涂层
chem.graphite conductive adhesive石墨导电胶
tech.graphite-containing bearing含石墨的轴承
chem.graphite cooler石墨冷却器
tech.graphite crucible石墨尘锅
tech.graphite-cup atomizer石墨杯雾化器
chem.graphite cup electrode石墨杯电极
tech.graphite cuvette石墨槽
chem.graphite cuvette atomizer石墨坩埚原子化器
tech.graphite cuvette atomizer石墨槽原子化器
tech.graphite deflector石墨偏转板
tech.graphite deposit石墨矿床
tech.graphite-diamond-equilibrium line石墨金刚石相平衡线
tech.graphite-diamond-liquid triple point石墨金刚石液相三相点
tech.graphite dust石墨粉 (尘)
chem.graphite electrode又称人造石墨电极
chem.graphite electrode石墨电极
tech.graphite electrode slab石墨电极块
busin.graphite electrodes石墨电极
tech.graphite element石墨化元素
avia.graphite epoxy composite石墨环氧树脂复合材料
avia.graphite epoxy composite structure石墨环氧树脂复合材料结构
avia.graphite epoxy honeycomb石墨环氧树脂蜂窝结构
avia.graphite epoxy laminate石墨环氧树脂层压板
avia.graphite epoxy motor石墨环氧树脂发动机
avia.graphite epoxy/titanium/aluminium石墨环氧树脂/钛/铝
chem.graphite equipment石墨设备
tech.graphite fabric石墨纤维织物
chem.graphite ferrule石墨卡套
auto.graphite fiber reinforced plastic石墨纤维强化塑料
avia.graphite fiber reinforced plastic container碳纤维增强塑料容器
avia.graphite fibre epoxy composite石墨纤维环氧树脂复合材料
chem.graphite filament atomizer石墨丝原子化器
avia.graphite filaments wound over liner碳纤维缠绕内胆
tech.graphite filled Teflon特氟隆石墨
tech.graphite filled Teflon聚四氟乙烯石墨
tech.graphite flake片状石墨粉粒
tech.graphite floatation石墨漂浮
tech.graphite flotation石墨漂浮
tech.graphite form石墨形态
tech.graphite furnace石墨炉
earth.sc.graphite furnace atomic absorption spectrometer石墨炉原子吸收光谱仪
earth.sc.graphite furnace atomic absorption spectrometry石墨炉原子吸收光谱测定法
chem.graphite furnace atomic absorption spectrometry石墨炉原子吸收光谱法 (GFAAS)
tech.graphite furnace atomic absorption spectrometry石墨炉原子吸收光谱法
earth.sc.graphite furnace atomic absorption spectroscopy石墨炉原子吸收光谱学
earth.sc.graphite furnace atomic adsorption spectrometry石墨炉原子吸收光谱测定法
tech.graphite furnace atomizer石墨炉雾化器
auto.graphite gasket石墨密封垫填料
tech.graphite gneiss石墨片麻岩
auto.graphite-graphite composite石墨-石墨复合材料
archit.graphite grease石墨
tech.graphite grease石墨膏
chem.graphite grease石墨
tech.graphite grease拌石墨的牛油
tech.graphite grease石墨
avia.graphite grease石墨润滑脂
tech.graphite grog crucible石墨熟料坩埚
tech.graphite heater furnace石墨电阻炉
tech.graphite ignition anode石墨引燃阳极
tech.graphite in flake form片状石墨
tech.graphite in sphere form球状石墨
tech.graphite insert石墨衬套
chem.graphite intercalation compound石墨层间化合物
chem.graphite intercalation compound石墨插层化合物
earth.sc.graphite intercalation compounds石墨层间化合物
auto.graphite iron球铁
auto.graphite iron球墨铸铁
tech.graphite jig石墨模具
tech.graphite jointing compound石墨接合剂
tech.graphite ladle石墨端包
tech.graphite ladle石墨洼勺
tech.graphite ladle liner石墨包衬
tech.graphite layer石墨层
tech.graphite lead paint石墨铅油
tech.graphite-like material石墨状材料
tech.graphite-like structure石墨状结构
tech.graphite lime base grease石墨钙基润滑脂
chem.graphite-lined platinum crucible衬以石墨的白金坩埚
tech.graphite liner石墨衬套
tech.graphite low energy experimental pile低功率石墨实验性反应堆
earth.sc.graphite low-energy experiment pile小功率实验性石墨核反应堆
auto.graphite lubricating oil含石墨润滑油
tech.graphite lubricating rod石墨润滑棒
tech.graphite lubrication石墨润滑 (法)
tech.graphite lubricator石墨润滑器
tech.graphite marble石墨大理岩
construct.graphite metal铅基轴承合金铅68%,锡15%,锑 17%
tech.graphite metal铅基轴承合金
tech.graphite-metal lamellar compound石墨金属层间化合物
tech.graphite metering pump石墨计量泵
tech.graphite mica schist墨云片岩
tech.graphite micropowder石墨微粉
gen.graphite-moderated石墨慢化的
gen.graphite-moderated石墨减速的
gen.graphite-moderated带石墨慢化剂的
earth.sc.graphite-moderated boiling and superheating reactor石墨慢化沸腾式过热反应堆
tech.graphite-moderated lattice石墨慢化栅格
tech.graphite-moderated reactor石墨慢化堆
earth.sc.graphite moderated reactor石墨慢化反应堆
tech.graphite-moderated reactor石墨原子减速反应堆
tech.graphite moderator石墨减速剂
tech.graphite moderator stringer石墨慢化棒
tech.graphite mold石墨型
tech.graphite mold石墨模 (具)
tech.graphite mold department石墨模具车间
chem.graphite monochromator石墨单色器
tech.graphite mould石墨型
tech.graphite mould石墨模 (具)
tech.graphite mould department石墨模具车间
tech.graphite nest石墨巢孔 (铸件缺陷)
tech.graphite nest石墨粗大疏松组织
chem.graphite network石墨网
tech.graphite nodule石墨球
tech.graphite non-stabilized element又称非石墨化元素
tech.graphite non-stabilized element阻碍石墨化元素
auto.graphite oil含石墨润滑油
shipb.graphite oil石墨润滑油
tech.graphite ore石墨矿石
tech.graphite oven石墨炉
tech.graphite oxide石墨氧化物
tech.graphite oxide membrane石墨氧化膜
tech.graphite packing石墨填密
tech.graphite packing石墨盘根
auto.graphite packing石墨密封件填料
tech.graphite packing石墨密封垫
tech.graphite paint石墨
tech.graphite paint石墨涂料
chem.graphite paint石墨漆
tech.graphite paint石墨防腐涂料
archit.graphite paint石墨涂料油漆
tech.graphite paint黑铅漆
tech.graphite pebble石墨球
agric.graphite pencil石墨笔
agric.graphite pencil育种用黑铅笔
chem.graphite phenolics石墨酚醛塑料
tech.graphite pig iron灰口
tech.graphite piston石墨活塞
tech.graphite piston ring石墨活塞环
tech.graphite plastic石墨塑料
chem.graphite platform石墨平台
tech.graphite pneumoconiosis石墨尘肺
tech.graphite precipitation石墨析出
tech.graphite preparation石墨剂
tech.graphite prestressed pile石墨增强预应力桩
tech.graphite pyrometer石墨高温计
tech.graphite reactor石墨反应堆
tech.graphite reflected带石墨反射层的
gen.graphite-reflected带石墨反射层的
tech.graphite reflector石墨反射层
chem.graphite refractory石墨耐火材料
tech.graphite refractory product石墨耐火材料制品
chem.graphite reinforced synthetic material石墨增强合成材料
tech.graphite resistance石墨电阻
tech.graphite resistance heater石墨片阻加热器
tech.graphite resistor石墨电阻器
tech.graphite resistor rod石墨电极
tech.graphite resistor rod石墨电阻棒
auto.graphite ring石墨圆环
chem.graphite rod atomizer石墨棒原子化器
tech.graphite-rod furnace石墨棒炉
tech.graphite-rod melting method炭棒熔融法
tech.graphite rosette菊花形石墨
tech.graphite rosette菊花状石墨
tech.graphite schist石墨片岩
tech.graphite seal石墨密封环
auto.graphite sealant石墨密封材料
tech.graphite sealing pad石墨填料密封环
tech.graphite sealing products石墨密封制品
tech.graphite septum石墨隔板
tech.graphite shape石墨形状
tech.graphite sheath石墨套管
tech.graphite sheet石墨板材
tech.graphite sheet石墨片
tech.graphite shielding石墨屏蔽
tech.graphite single crystal石墨单晶
tech.graphite size石墨尺寸
tech.graphite slate石墨板岩
auto.graphite slide ring石墨滑环
tech.graphite slip ring石墨滑环
tech.graphite solid cylinder石墨棒
tech.graphite sparge tube石墨喷射管
chem.graphite spark method石墨火花法
tech.graphite spark technique石墨火花技术
auto.graphite spheroid石墨球
auto.graphite spherule石墨球
tech.graphite spine石墨细棒
tech.graphite stabilized element又称促进石墨化元素
tech.graphite stabilized element石墨化元素
tech.graphite stack石墨堆
gen.graphite stack反应堆中的石墨堆
tech.graphite structure石墨结构
avia.graphite susceptor石墨接受器
tech.graphite susceptor ring石墨感应环
tech.graphite thermal column石墨热柱
auto.graphite thrust bearing石墨推力轴承
construct.graphite to silicon-carbide couple石墨和碳化硅温差电偶 (热电偶)
tech.graphite to silicon-carbide couple石墨和碳化硅热电偶
refrig.graphite-to-silicon-carbide couple石墨-碳化硅热电偶
chem.graphite tube burner管式石墨炉
chem.graphite tube coated with refractory metal carbide难熔金属碳化物涂层石墨管
tech.graphite-tube furnace石墨管炉
chem.graphite tube lined with metal foil衬金属箔石墨管
tech.graphite tube resistance furnace碳管电阻炉
tech.graphite type石墨类型
tech.graphite type structure fibre石墨型结构纤维
tech.graphite-uranium pile石墨铀堆
avia.graphite vane石墨燃气
tech.graphite washer石墨制垫圈
tech.graphite water石墨淘洗水
tech.graphite water洗涤石墨
tech.graphite wedge石墨楔
chem.graphite whisker石墨晶须
chem.graphite whisker石墨搅拌器
tech.graphite whisker石墨须晶
tech.graphite whisker reinforcement石墨晶须增强体
gen.graphite wool石墨"罩"
tech.grease-graphite mold润滑脂石墨混合物
tech.grease-graphite mould润滑脂石墨混合物
tech.ground graphite粉状石墨
chem.gun graphite枪用石墨
steel.half graphite brick半石墨砖
tech.heated graphite atomizer加热石墨原子化器
chem.heated graphite furnace atomizer电热石墨炉原子化器
avia.high modulus graphite epoxy高数模石墨环氧树脂
tech.high purity graphite products高纯石墨制品
chem.high-carbon graphite高碳石墨
auto.high-density graphite高致密石墨
tech.high-density graphite高密度石墨
tech.highly oriented pyrolytic graphite高定向热解石墨
tech.high-power graphite electrode高功率石墨电极
tech.ideal graphite理想石墨
tech.impermeable graphite不渗石墨
tech.impermeable graphite不透性石墨
auto.impregnated graphite浸渍石墨
tech.impregnated graphite materials浸渍石墨材料
tech.indigenous graphite析出石墨
tech.interdendritic graphite枝晶间石墨
tech.iron-graphite diagram铁石墨平衡图
chem.karbate impervious graphite压制不渗透性石墨
tech.kish graphite高炉石墨
tech.kish graphite漂浮石墨
tech.kish graphite集结石墨
tech.kisk graphite初生石墨
tech.lamellar compound of graphite石墨层间化合物
tech.lamellar graphite片状石墨
chem.lattice of graphite type石墨型晶格
energ.ind.light-water cooled graphite moderated reactor轻水冷却石墨慢化反应堆
tech.live graphite放射性石墨
tech.live graphite含铀块石墨
chem.low-carbon-content graphite低碳石墨
tech.low-porosity graphite rod致密石墨棒
tech.lubricating graphite润滑石墨
tech.massive crystalline graphite块状晶质石墨
chem.Massmann type heated graphite atomizer马斯曼型加热石墨原子化器
chem.mercury plated graphite electrode镀汞石墨电极
gen.metal-graphite金属石墨的
tech.metal-graphite brush金属石墨电刷
auto.metal graphite gasket金属石墨衬垫
tech.metallic graphite brush金属碳刷
auto.metallic graphite carbon金属石墨电刷
auto.metallized graphite金属石墨
tech.mineral graphite黑色氧化铁
auto.moly graphite coating钼石墨镀层
expl.nanometer graphite powder纳米石墨粉
tech.natural graphite brush天然石墨电刷
tech.nickel-coated graphite powder包镍石墨粉
tech.nickel-coated graphite powder镍包石墨粉
avia.nodular cast graphite iron球墨铸铁
auto.nodular graphite状石
tech.nodular graphite粒状石墨
tech.nodular graphite cast-iron可锻铸铁
tech.nodular graphite cast-iron球墨铸铁
gen.nodular graphite iron可锻〔韧性〕铸铁
gen.nodular graphite iron状石墨铸铁
tech.non-crystalline graphite非晶性石墨
tech.non-crystalline graphite非晶质石墨
chem.non-sacrificial graphite anode非牺牲石墨阳极
tech.nuclear graphite核石墨
avia.nylon graphite composite尼龙石墨复合材料
chem.oleophilic graphite亲油石黑
chem.oleophylic graphite亲油石墨
chem.platform furnace graphite平台石墨炉
steel.point graphite点状石墨
tech.polycrystalline graphite多晶石墨
tech.porous graphite多孔石墨
chem.powdered graphite粉状石墨
tech.primary graphite又称初次石墨
tech.primary graphite一次石墨
earth.sc.pyrolytic graphite高温热解石墨
chem.pyrolytically coated graphite tube热解涂层石墨管
earth.sc.quartz-iron-fayalite-graphite石英-铁-铁橄榄石-石墨
tech.reactor-grade graphite适合反应堆用的石墨
tech.recrystallized graphite重结晶石墨
tech.reinforced graphite sheet增强石墨板材
tech.removable graphite blocks可移动石墨块
chem.retort graphite甑馏石墨
tech.rhombohedral graphite菱面体石墨
tech.rosette graphite蔷薇状石墨
chem.rosette graphite菊花状石墨
tech.rosette graphite玫瑰状石墨
tech.secondary graphite次生石墨
tech.second-stage graphite第二阶段石墨
gen.silver-graphite银-石墨复合物
tech.silver-graphite银石墨制品
gen.silver-graphite银-石墨制品
tech.small graphite粉粒石墨
earth.sc.sodium-graphite reactor钠-石墨反应堆
earth.sc.sodium-graphite reactor石墨慢化钠冷却反应堆
tech.spheric graphite cast iron球墨铸铁
tech.spherical graphite cast iron球墨铸铁
auto.spheroidal graphite状石
gen.spheroidal-graphite球状石墨
tech.spheroidal graphite cast iron球状石墨铸钢
gen.spheroidal graphite cast iron球墨铸铁
nautic., tech.spheroidal graphite iron casting球墨铸铁件
tech.spheroidal graphite iron ring球墨铸铁环
tech.spheroidal graphite roll球墨轧辊
tech.spheroidal graphite roll球墨铸铁轧辊
tech.spheroidization of graphite石墨球化
tech.spheroidizing graphite cast iron简称球铁
tech.spheroidizing graphite cast iron球墨铸铁
tech.steel wire rope graphite-base grease钢丝绳石墨润滑油
steel.supercooled graphite过冷石墨
tech.synneusis graphite聚晶石墨
tech.synthetic graphite合成石墨
tech.synthetical graphite人造石墨
tech.synthetical graphite合成石墨
tech.thermal graphite reactor石墨慢化热中子反应堆
gen.tin-copper-graphite青铜石墨的
chem.transverse heated graphite atomizer石墨炉横向加热原子化器
chem.transverse heating graphite atomizer横向加热石墨原子化器
chem.UHP graphite electrodes超高功率石墨电极
tech.undercooled graphite过冷石墨
gen.uranium-graphite铀石墨的
tech.uranium-graphite lattice铀石墨栅格
tech.uranium-graphite reactor铀石墨堆
tech.vein graphite脉状石墨
tech.vermicular graphite cast iron蠕墨铸铁
auto.vermicular graphite cast iron蠕铁
auto.vermicular graphite cast iron紧密石墨铸铁
auto.vermicular graphite cast iron蠕墨铸铁
earth.sc.water graphite reactor水冷石墨反应堆
earth.sc.water graphite reactor experiment水冷石墨反应堆实验
agric.wax- impregnated graphite electrode浸蜡石墨电极
tech.wax-impregnated graphite electrode浸蜡石墨电极
nautic., tech.X-ray radio-graphite inspection equipmentX 光检查设备
chem.zirconium-graphite getter锆石墨吸气剂
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