常見例句AUT has the characters of high efficiency and low costs of testing,which can meet the requirement of time limitation and quality control of welding seam in constructing submarine pipelin... 自動超聲波檢測技術(shù)具有檢測效率高和成本低的特點,滿足了海底管線鋪設(shè)時效性要求和焊縫質(zhì)量控制要求。biaoThe leakproofness test method for field coating of welded joint of pipelin e coating materials and the selection of coating material are introduced in the paper. 介紹了管道防腐補口絕緣層密封性試驗方法的建立及其在補口技術(shù)比選研究中的應(yīng)用情況。pipeliner's cradle 管道搖架the diameter pipelin 經(jīng)濟管徑Underground pipelin 地下管線 返回 pipeliner