常見(jiàn)例句雙語(yǔ)例句A construction method of combining short-delay controlled blasting with stepped excavation was adopted.采用微差控制爆破與分步開(kāi)挖相結(jié)合的施工方法。Small hole diameter, shallow hole and short delay blasting are adopted in the blasting construction of closed-packed cutting hole piles.采用跳三隔一緊貼的開(kāi)挖爆破順序,小孔徑,淺孔微差控制爆破進(jìn)行密排挖孔樁的爆破施工。This paper describes the technique ways and achievements of large round multi-row short-delay blasting experiments and audies at Shuichang Iorn Mine.本文介紹了水廠鐵礦大區(qū)多排微差爆破試驗(yàn)研究的技術(shù)途徑及成果。 返回 short-delay blasting