shallow blasting 中文意思是什麼
shallow blasting
解釋
淺孔爆破-
Discussions of blasting shock waves cutoff in shallow - layer water
淺層水中爆炸沖擊波切斷現象淺探 -
Software technology corporation, 1998. numerical simulation technique of group charge blasting in shallow water
集團裝藥淺層水中爆炸數值模擬技術 -
For avoiding the occurrence of explosion - related accidents, the author presents an introduction to the safety regulations that should be observed. these includes the check of gas concentration before charge and initiation and after blasting, the adoption of interlocked blasting system, indirect blasting, initiation by stages at coal and beading faces, use of water stemming, shallow - hole balsting, blasting earning and safety distance
為了防止在井下爆破中引起事故，對一炮三檢制和聯鎖爆破制，反向爆破作業，採煤、掘進工作面的分次起爆作業，水炮泥的使用，淺眼爆破作業，爆破警戒和爆破安全距離等安全規定進行介紹和分析。 -
Application of shallow hole smooth blasting and springing blasting
淺眼光面結合藥壺控制爆破實踐
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