closed down the mine的意思|示意

美 / / 英 / /

关闭了矿井

closed down the mine的网络常见释义

闭坑矿山 ...文|代发文章|发表文章|91fabiao-91论文发表网 关键词：闭坑矿山；环境地质；地灾防治 [gap=494]Key Words: closed down the mine; environment geology; disaster prevention and control ...