high intensity mining
常見例句
- Hydraulic coal mining offers the merits of being simple in process, high in adaptability, less in labor intensity and easy in management.
水力采煤具有工序簡(jiǎn)單、適應(yīng)性強(qiáng)、勞動(dòng)強(qiáng)度小、便于管理等優(yōu)點(diǎn)。 - There are some problems on pillar mining of rock cross-cut in steep coal seam, such as bad job environment, high working intensity, low coal recovery ratio etc.
急傾斜煤層石門煤柱開采存在作業(yè)環(huán)境差、勞動(dòng)強(qiáng)度大、煤炭回收率低等問題。 返回 high intensity mining