淺炮眼 的英文怎麼說
中文拼音 [jiānbāoyǎn]
淺炮眼
英文
block hole-
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。
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