炮眼組 的英文怎麼說
中文拼音 [bāoyǎnzǔ]
炮眼組
英文
blasting round-
The rounds are definitely not particularly constricted except in the case of extremely narrow ore veins.
除了礦脈很狹窄,否則炮眼組肯定是不大受夾制的。When a normal bench round is fired the general result is for the centre of gravity of the round to be moved forward.
起爆普通梯段炮眼組時,一般的結果是炮眼組的重心前移。Full face round
全斷面掘進炮眼組
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