矸石山 meaning in Chinese

hillock

Control of slide of slope angle adn fluid of waste hill
矸石山矸石流及坡脚滑移控制
Switched reluctance motor for mine winch of waste dump
开关磁阻电机用于煤矿矸石山绞车
Treatment on dust and self - combustion fo coal gangue
矸石山自燃及扬尘治理
Harm of gangue dump and cause analysis of spontaneous combustion
矸石山的危害及自燃原因关联分析
Spontaneous combustion mechanism . of gangue in jingang coal mine
金刚煤矿矸石山煤矸石自燃机理分析

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