使用电梯下至地下矿井。
实验在美国南达·科塔州的荷马·斯塔克(Homestake)地下矿井内进行。
It is being housed underground at the Homestake mine in South Dakota, us.
地下矿井中的防爆和保护。保护系统。第4部分：掘进机用自动灭火系统。
Explosion prevention and protection in underground mines - Protective systems - Part 4: automatic extinguishing systems for road headers.
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