shortwall 中文意思是什麼
shortwall
解釋
短壁工作面-
Analysis of economy and technology to shortwall face and shortwall miner
短壁工作面和短壁採煤機的經濟技術分析 -
Development and application of fully mechanized mining and top - coal caving equipment in shortwall face in china
我國短壁工作面綜采綜放設備的發展和應用 -
Practice and experience of driving gob - side entry in shortwall top - coal caving mining with light supports during residual mining
短壁殘采輕放工作面沿空掘巷的實踐與認識
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