borehole blasting

常見(jiàn)例句

This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
本文分析了露天礦深孔爆破長(zhǎng)期沿用的連續(xù)裝藥結(jié)構(gòu)存在的問(wèn)題。
Taking two of projects as examples, the paper discussed the technology of large diameter borehole blasting applied in the excavation of footing groove in city.
以兩個(gè)工程為例，介紹了在城鎮(zhèn)基坑開(kāi)挖工程中采用了大孔徑深孔爆破技術(shù)。
According to the time to form the blasting free face and the time for the broken rock flying, the paper discussed the rational delay time of each functional borehole in deep borehole blasting.
根據(jù)爆破自由面形成的時(shí)間和破碎巖石飛行的時(shí)間，探討了深孔爆破各作用炮眼的合理延期時(shí)間；