This paper mainly introduces the practice of weak throwing room blast with uncoupl-ing strip cartridge in quarry and mine.

本文主要介紹不偶合條形藥包弱拋擲峒室爆破在石礦場應(yīng)用的實(shí)踐igao为爱寻找激情，根據(jù)巖石性質(zhì)超碰在线免费首页、巷峒斷面、所用炸藥導(dǎo)出了最佳不偶合系數(shù)老牛影视国产在线，取得了理想的爆破效果九九爱综合。