... 韦格型救护器 Weg rescue apparatus 伪顶 false roof 伪倾斜采煤法 false dipping mining method ...
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false roof rock 伪顶岩石
false roof mining 伪托顶开采
parting and false roof bottom 夹矸及伪顶底
false-hard roof 伪硬顶
The roof slice longwall method increases the work of laying false roof for next slice.
长壁采煤法的采煤工艺具有多重特点：顶分层采煤增加了要为下分层填设假顶的工作。
The man-made false roof quality is very important to the mine pit safety in production.
人工假顶的质量对矿井的安全生产至关重要。
The constant temperature, static state corrosion resistant test and results of mining glass fibre net false roof materials under analog working conditions and special working conditions are presented.
本文介绍了矿用玻璃纤维网假顶材料在模拟自然工况和特殊工况条件下的恒温、静态耐腐蚀试验及结果。
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