液压支架被用来支护工作面顶板。

Powered roof supports are used to support the roof at the face.

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本文从调查分析深基坑支护事故实例着手，提出了支护工作防止事故的处理对策。

Taking some of such accidents as examples, this article shows investigation and analysis of the causes of them, and therefrom puts forward a way to prevent accident of supporting work.

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本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。

The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.

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