open mines
英
美
- mines n.矿井名词mine的复数形式.
- open adj.开着的;开放的;公开的v.打开;张开;展开;摊开;开始(某事物);开张;营业;以…开头;宣布启用n.户外;公开
- Rain has serious effect on the operation of long and narrow deep open pit.
降雨对狭长深凹露天矿的生产有严重的影响。
- Most of large and middle scale open-pit mines in China have reached deep mining.
摘要我国的大多数大中型露天矿山已经或即将进入深部开采。