mining excavation的意思|示意
mining excavation相关短语
1、 mining-excavation relay 采掘接替
2、 mining excavation damage 矿山开采损害
3、 mine mining excavation plan 采掘计划
4、 mining excavation of middle tunnel 暗挖中洞法
5、 mining excavation of shallow tunnels 浅埋暗挖法
6、 mining excavation for shallow tunnels 浅埋暗挖
7、 mining and excavation machinery 采掘机械