鲍店煤矿主副井筒变形破裂,严重威胁矿井安全,经济损失巨大。
The main and auxiliary shafts in Baodian Coal mine are deformed and ruptured, threatening seriously on the mine safety and causing heavy economic losses.
鲍店煤矿主副井筒变形破裂,严重威胁矿井安全,经济损失巨大。
The main and auxiliary shafts in Baodian Coal mine are deformed and ruptured, threatening seriously on the mine safety and causing heavy economic losses.
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