advancing mining
短語(yǔ)詞組
- advancing and mining workface 采掘工作面
- advancing g mining 前進(jìn)式開(kāi)采
- longwall advancing mining mining 長(zhǎng)壁式開(kāi)采
- advancing coal mining 前進(jìn)式采煤
- longwall advancing mining workings 長(zhǎng)壁開(kāi)采法
- longwall advancing mining stoping 長(zhǎng)壁采礦法
- longwall advancing mining slicing 長(zhǎng)壁分層采礦
- longwall advancing mining retreating 長(zhǎng)壁后退式回采
- longwall advancing mining method 全面采礦法 返回 advancing mining