基本解釋非開挖同根派生 trenchless相關(guān)詞英漢例句Installing and rehabilitating pipes and cables beneath the streets by trenchless techniques require novel techniques and much planning and liaison with the local authorities.在街道下通過非開挖技術(shù)進(jìn)行建設(shè)和修復(fù)管道及電纜需要新的技術(shù)，周密的計劃以及與當(dāng)局的溝通。trenchless更多例句