deep hole method

同义词释义

1)deep hole method,深眼爆破法2)longhole blasting,深眼爆破3)multiple row method,多排炮眼爆破法4)single row method,单排炮眼爆破法5)two row method,双排炮眼爆破法6)mid-and-deep hole combining shallow hole balsting,中深孔结合浅眼爆破