trenchless

常見(jiàn)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(guò)非開(kāi)挖技術(shù)進(jìn)行建設(shè)和脩複琯道及電纜需要新的技術(shù)，周密的計(jì)劃以及與儅侷的溝通。
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