The accidents of sliding train in inclined lane underground coal mines will not only damage the facilities, but also threat the safety of equipments and people.
煤矿井下斜巷发生跑车事故，不仅损坏设施，而且危及设备及人身的安全。
The accidents of sliding train in inclined lane underground coal mines will not only damage the facilities, but also threat the safety of equipments and people.
煤矿井下斜巷发生跑车事故，不仅损坏设施，而且危及设备及人身的安全。
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