... 露天爆破 ꦤ surface blasting 地下爆破 许 underground blasting 浅孔爆破 钭 short-hole blasting ...
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underground blasting shock wave 井下爆破空气冲击波
Underground Mine Drilling and Blasting 井下凿岩爆破
underground engineering blasting 地下工程爆破
underground deep-hole blasting 井下深孔爆破
underground deep hole blasting 地下深孔爆破
blasting of underground cavern 地下洞室爆破
Widely used in outdoor blasting and underground blasting projects with combustible gas and mineral dust explosion risk.
广泛适用于露天及可燃气和(或)矿尘爆炸危险的地下爆破工程。
The underground blasting supplies magazine is one of the important facilities, to ensure the safety production of underground mine.
井下爆炸材料库是矿井安全生产的重要保障设施之一。
Open-pit mining follows the same sequence of oprations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序：钻孔、爆破、装载并运走废料和矿石。
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