working face of fully mechanized mining
综采工作面
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Author introduces the structure and the working principle of the secondary dust removal device with negative pressure as well as the application to fully mechanized mining face in Shuoli colliery.
介绍了综采割煤二次负压降尘装置结构、工作原理以及在朔里煤矿综采工作面使用情况。
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