... the time-period concept会计分期假设 coat principle历史成本假设 realization principle实现原则 ...
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The research on the principle and the relation between the time and thickness, structure, property of plating coat is given.
研究了施镀时间与镀层增重、镀层厚度、镀层组织和性能的关系，并探讨了化学镀镍的机理。
The characteristics and principle of conductive coat are expounded in brief.
简要介绍了导电涂膜的性能特点和基本工作原理。
Introduced the recovery principle of the sericite minerals in the mineral tail, mainly explored the application of superfine sericite in rubber, plastics and coat.
介绍了选矿尾矿中绢云母矿物的回收及其在橡胶、塑料、涂料中的应用技术。
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