mining mechanization
短語詞組
- synthesis mining coal mechanization 綜合采煤機械化
- Compound mining mechanization 綜采機械化
- coal mining mechanization 采煤機械化
- mechanization mining 機械化采掘
- comprehensive mechanization mining face 綜采工作面
- upscale ordinary mechanization mining 高檔普采
- fully mechanization mining 綜放開采
- fully mechanization mining equipment 綜放設備
- system mechanization mining 綜放開采 返回 mining mechanization