新汶矿业集团良庄煤矿51101W工作面因底板突水导致工作面被淹。

The water-inrush from floor inundates Working face 51101W in Liangzhuang coal mine, Xinwen Mining Group.

youdao

新汶矿业集团良庄煤矿51101W工作面因底板突水导致工作面被淹。

The water-inrush from floor inundates Working face 51101W in Liangzhuang coal mine, Xinwen Mining Group.

youdao