surface roak spoil removal system
surface roak spoil removal system
表面腐渣清除系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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