英语词汇“presplitting blasting, preshearing”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	presplitting blasting, preshearing
释义	presplitting blasting, preshearing 预裂爆破; 在爆破岩体的轮廓线上的炮眼采用不耦合装药并先于其它炮眼爆破，形成连通裂缝的控制爆破。
随便看	coal extracts coalex-type dynamite coal face coal-face coalface coal face flooding coal face machinery coal-faces coalfaces coal face supervision coalface support coal face survey coal face undercutting coal-face winning aggregate coal facies coal-factor coal factor coal fall coal fat coal feeder coal feeder floor coal feed point coal feed regulator coalfield coal field

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