Due to collapse accident of main chute took place in Xincheng Gold mine, the ore lifting system of main shaft was paralysed which caused grave effect on mine operation.
新城金矿主溜矿井曾发生塌落事故，造成了主竖井矿石提升系统的瘫痪，严重影响了矿山生产任务的完成。
youdao
应用推荐
模块上移
模块下移
不移动