The permanent refuge station can achieve the goals of providing continuous oxygen and communicating to the inside of station by drilling throughout the rock to the ground.
永久避难硐室利用贯穿岩层到达地面的钻孔为硐室内部持续地输送氧气、实现通讯。
The permanent refuge station can achieve the goals of providing continuous oxygen and communicating to the inside of station by drilling throughout the rock to the ground.
永久避难硐室利用贯穿岩层到达地面的钻孔为硐室内部持续地输送氧气、实现通讯。
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