1 . A portion of reinforced concrete foundation is necessary to be demolished by controlled blasting.
某新建鋼筋混凝土基礎(chǔ)需部分拆除,保護(hù)余留基礎(chǔ)不受爆破影響是本工程的重點(diǎn).
來自互聯(lián)網(wǎng)
