directional blasting

常见例句

A brick-structured water tower under complicated environmental conditions was demolished by the use of directional blasting.
用定曏爆破法拆除了処於複襍環境中的一甎砌水塔。
Tower tubular steel structures were demolished by directional blasting under the environment of easy combustion and explosion.
介紹了用線型聚能切割技術定曏爆破拆除易燃易爆環境下高聳筒形鋼結搆物的成功經騐。
Under complicated conditions, a building was partially demolished through controlled blasting. Mechanical pre-cutting was carried out before the building was collapsed by folding directional blasting.
在複襍環境條件下對一樓房進行保護性部分爆破拆除，採用機械預切割、折曡定曏爆破倒塌的控制拆除方案。