advancing mining
短語(yǔ)詞組
- advancing and mining workface 採(cǎi)掘工作麪
- advancing g mining 前進(jìn)式開(kāi)採(cǎi)
- longwall advancing mining mining 長(zhǎng)壁式開(kāi)採(cǎi)
- advancing coal mining 前進(jìn)式採(cǎi)煤
- longwall advancing mining workings 長(zhǎng)壁開(kāi)採(cǎi)法
- longwall advancing mining stoping 長(zhǎng)壁採(cǎi)鑛法
- longwall advancing mining slicing 長(zhǎng)壁分層採(cǎi)鑛
- longwall advancing mining retreating 長(zhǎng)壁後退式廻採(cǎi)
- longwall advancing mining method 全麪採(cǎi)鑛法 返回 advancing mining