英语词汇“deep-hole blasting”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	deep-hole blasting
释义	deep-hole blasting 基本例句中深孔爆破 Large-diameter longhole blasting was used to excavate soil-rock in some engineering project.某工程的土石方开挖采用大直径深孔爆破方式。 The new method adopted roof presupporting,deep and medium hole blasting,LHD ore removal and tailings filling.该采矿方法采用采场预控顶技术，中深孔爆破，铲运机出矿，尾砂充填。
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