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Terms for subject
Pipelines
(6 entries)
concave roll
带槽〔孔型,刻痕〕轧
die orifice
机头孔型
dies hole
模槽〔腔,孔〕
hard service
重
超
负荷工作
状态
hollow guide
空腔波导管
tungsten inert gas arc welding
钨极惰性气体保护焊
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