This paper describes the particular purpose of bucket conveyor and its design idea as well as its practical use.
介绍了戽斗输送机的特殊用途、设计思路以及使用情况。
The kernel issue to solve the problem of sulfur dioxide treatment by the idea of clean production is how to recover and make the products which are valuable both in practical use and commodity use.
以清洁生产的理念探究二氧化硫治理的问题，核心是回收和制取有使用价值及商品价值的产品。
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