underground blasting

常見例句

Widely used in outdoor blasting and underground blasting projects with combustible gas and mineral dust explosion risk.
廣泛適用于露天及可燃氣和（或）礦塵爆炸危險的地下爆破工程。
The underground blasting supplies magazine is one of the important facilities, to ensure the safety production of underground mine.
井下爆炸材料庫是礦井安全生產(chǎn)的重要保障設施之一。
The excavation technology and design parameters of a polit chamber blasting of underground drainage system in Xiaowan power station are introduced.
介紹了小灣電站右岸地下排水系統(tǒng)的小洞室開挖爆破技術和設計參數(shù)。