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ground vibrations due to blasting in mine
expl.
矿山爆破地震
矿山爆破引起的地表振动。这种振动超过某一极限,就会使该处的建〈构〉筑物遭到一定程度的破坏,甚至倒塌,造成人员伤亡、设备损坏、巷道片帮、冒顶和露天矿边坡滑落等危害
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