surface mining
短语词组
- surface coal mining 露天采煤
- surface hydraulic mining 露天矿水力开采
- surface bench mining 露天台阶开采
- surface e mining 露天开采
- surface e mining method 露天采矿法
- surface mining method 露天采矿法;露天矿采矿方法
- surface mining engineering design 露天采矿工程设计
- surface mining safety 露天采矿的安全
- surface mining limits design 露天矿开采境界设计 返回 surface mining