Underground Mine Development的意思|示意
美 / /
英 / /
矿山地下开拓
Underground Mine Development的网络常见释义
开拓掘进 ... mining equipments矿山设备 underground mine development开拓掘进 underground mine drilling and blasting井下凿岩爆破 ...
Underground Mine Development相关短语
1、 method of underground mine development 矿山地下开拓方法