mining collapse 采空塌陷
mining collapse fracture 采动塌陷裂隙
coal mining collapse 采煤塌陷
Mining-Collapse-Area 矿井采空塌陷区
coal mining collapse area 采煤塌陷区
coal mining induced collapse 采煤塌陷
coal mining and collapse period 采煤塌陷阶段
karst collapse in mining area 矿区岩溶塌陷
mining methods by stepped collapse 高分段进路崩落采矿法
Mining minister Laurence Golborne said miners would start being individually evacuated 68 days after the collapse of part of the gold and copper mine in the Atacama desert.
矿业部长劳伦塞·戈尔沃内说在阿塔·卡玛沙漠铜金矿部分坍塌68天后将开始对矿工一一实施救援。
The mine's backer, Lafayette Mining of Australia, was already struggling financially, so any long delay in reopening risked causing its collapse.
该矿产的投资者，澳大利亚拉法耶特矿业公司，在财务上已捉襟见肘，任何开采的长期停滞将都导致其陷于崩溃。
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。
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