The scheme of directional collapse of Xiaolongtan mining office transfer construction of belt conveying system was adopted in this paper.
针对小龙潭矿务局输煤系统皮带运输转运楼提出了定向倒塌的爆破拆除方案。
Then we returned to Dawson and called at the mining recorder's office.
然后我们回到道森，给矿业记录署打了电话。
Academy Office, Engineering Center, General Hospital mining safety responsible person at the forum.
院士办、工程中心、安全开采总院有关负责人参加座谈。
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