What have been investigated in this paper is that the waste of ground water on mining as well as its property, according to the technological design and process of mining.
根据采矿生产的设计和工艺过程，分析了采矿生产对地下水的大量浪费及其特点，评述减少地下水浪费和破坏的措施；
The establishing reason, design basis, principle and constitution as well as technological process of the liquid slug catchers are introduced in the paper.
文章介绍了液体段塞流捕集器的设置理由、设计依据、原理与构成以及工艺流程等。
The feasibility, cost and theoretic basis of the continuous extrusion process for producing tin brass weld wire are studied with its technological process and the design of extrusion dies introduced.
本文论述了锡黄铜焊丝连续挤压工艺的可行性、成本和理论基础，介绍了连续挤压工艺的方案以及挤压模具系统的设计。
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