On the basis of illustrating the meaning of optimizing mining design, the main technical contents and practicable conditions of the optimization adopted by mines are given.
在阐述矿山开采优化设计命题内涵的基础上，指出了矿山开采优化设计的主要技术内容及其实施的条件。
This paper summarized the merits and demerits of KCl zinc plating, and advanced some views on controls of main compositions, technical conditions and additives etc.
本文概述氯化钾镀锌的优缺点，对主成分的控制、工艺条件的控制、添加剂的控制等都提出了十分中肯的看法。
To expound the main applicable conditions of cold production and define relevant technical tactics of development.
阐述了稠油出砂冷采技术的主要适用条件，明确相应的开发技术策略。
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