常見例句雙語例句The scheme design of demolishing reinforced concrete railway pier by staticdemolition agent blasting, implementation method and blasting results are presented.介紹了用破碎劑脹裂法拆除鋼筋混凝土鐵路橋墩的方案設(shè)計(jì)、施工方法及破碎效果。In this paper, first, the chemistry, the expanding pressure and other characteristics of the static blasting agent were studied, then, some useful results were obtained.本文以實(shí)驗(yàn)出發(fā),首先對靜態(tài)爆破劑的化學(xué)性能,膨脹壓力性能等進(jìn)行了一些研究,得出了一些有用的結(jié)果。In this paper, the author discusses what measures should be taken in order to obtain the expected blasting effect in rock tunnelling after the approved blasting agent is used in operation.本文介紹了煤礦井下巖巷掘進(jìn)工作面爆破作業(yè)改用煤礦許用炸藥后,為了保證預(yù)期的爆破效果所應(yīng)采取的措施。 返回 blasting agent