The loosened coal falls onto a conveyor for removal from the mine.
松脱的煤块落到传送带上，被运出矿井外。
Mountaintop removal mining is considered the fastest, most cost-effective way to mine coal reserves.
山巅移除采矿被认为是最快最省钱的采煤方法。
In this paper, the removal methods of heavy metal ions, lead, zinc, antimony, contained in the acidic mine underground water were studied.
对矿山酸性地下水中所含铅、锌、锑三种重金属离子的去除方法进行了试验研究。
An excavation for the removal of mineral deposits; a mine.
为矿产的开发而进行的挖掘；矿。
Roak spoil removal system of mine surface is to ensure mine roak spoil removal requirement, and to realize a key link of coal production continued development of mines.
矿井地面排矸系统是保证矿井矸石排放需求，实现矿井煤炭生产持续稳定地增长的关键环节。
It analyzed mechanism of cyclone water film dust removal, and discussed the work effect according to renovation on the Xiangheng Salt Mine boiler dust removal system.
本文浅析了旋风麻石水膜除尘机理，通过对湘衡盐矿锅炉除尘系统的改造，探讨系统运行效果。
Mine ventilation frequency wet dust removal system for the heading face of coal mine dust in air.
矿用通风湿式变频除尘系统，用于对煤矿井下掘进工作面的空气进行除尘。
An open mine, especially a coal mine, whose seams or outcrops run close to ground level and are exposed by the removal of topsoil and overburden.
露天矿产，尤指煤矿，它的煤层或露头接近于地表，除去表土和覆盖层即可发现。
An open mine, especially a coal mine, whose seams or outcrops run close to ground level and are exposed by the removal of topsoil and overburden.
露天矿产，尤指煤矿，它的煤层或露头接近于地表，除去表土和覆盖层即可发现。
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