常見例句雙語例句The stone that cannot be dug directly can use blasting operation.機(jī)械不能直接開挖的石方採用爆破法開挖。The excavation of earthwork should be from top to bottom, and should not dig randomly and excessively. Forbid the use of blasting operation and hollow out earth.② 土方開挖均應(yīng)自上而下進(jìn)行,不得亂挖超挖,嚴(yán)禁用爆破法施工和掏洞取土。The effect of dynamic load resulting from blasting operation is simulated, and the breaking state of surrounding rocks may be predicted effectively in different cases.針對不同頻率情況,可以預(yù)先有傚地確定圍巖破壞狀態(tài),決策開挖初期支護(hù)方案的有傚形式; 返回 blasting operation