mining mechanization
短语词组
- synthesis mining coal mechanization 综合采煤机械化
- Compound mining mechanization 综采机械化
- coal mining mechanization 采煤机械化
- mechanization mining 机械化采掘
- comprehensive mechanization mining face 综采工作面
- upscale ordinary mechanization mining 高档普采
- fully mechanization mining 综放开采
- fully mechanization mining equipment 综放设备
- system mechanization mining 综放开采 返回 mining mechanization