翻译公司一个 » A translation company 材料成型原理 » Material forming principle 不知所措 » v. (Trad=不知所措, Pinyin=bu4 zhi1 suo3 cuo4) be at a loss, be at one's wits end .
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The liquid-position sensor working principle of brake-used oil tank, structural design of floater products, mold design, foam material as well as foam forming process are introduced.
介绍了刹车油箱液位传感器工作原理、浮子产品结构设计、模具设计、发泡材料用料、发泡成型工艺等方面内容。
The nature of the main film forming material and film forming principle have been resumed.
简述了主要成膜物的性质及成膜机理。
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