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| filt | |
| 行业 | pressed felt; wool felt |
| 行业 建造 | fine felt; felt |
| filter | |
| 电子产品 | frequency filter; a.c.filter |
| 数学 | filter |
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| canister | |||
| prudential filter | |||
| filter panel | |||
| filter zone | |||
| filter | |||
| dust arrester; dust filter; screen; strainer; filter A porous material for separating suspended particulate matter from liquids by passing the liquid through the pores in the filter and sieving out the solids | |||
| frequency filter; a.c.filter; alternating current filter | |||
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| felt cloth | |||
| pressed felt; wool felt | |||
| fine felt; felt; matted staple | |||
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| felt | |||
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| tomentose | |||
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| felting | |||
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filter : 249 短语, 31 学科 |
| 一般 | 3 |
| 信息技术 | 10 |
| 农业 | 8 |
| 冶金 | 2 |
| 劳动法 | 2 |
| 化学 | 16 |
| 医疗的 | 9 |
| 卫生保健 | 10 |
| 地球科学 | 7 |
| 市政规划 | 1 |
| 建造 | 4 |
| 微软 | 10 |
| 技术 | 3 |
| 数学 | 1 |
| 文化学习 | 1 |
| 机械工程 | 11 |
| 植物学 | 6 |
| 物理科学 | 2 |
| 环境 | 23 |
| 生命科学 | 2 |
| 生态 | 3 |
| 电子产品 | 59 |
| 纺织工业 | 3 |
| 经济 | 1 |
| 统计数据 | 1 |
| 自然科学 | 3 |
| 自然资源和野生动物保护 | 2 |
| 行业 | 15 |
| 贸易联盟 | 3 |
| 运输 | 1 |
| 通讯 | 27 |