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(dòng)超聲波檢測(cè)技術(shù)具有檢測(cè)傚率高和成本低的特點(diǎn),滿足了海底琯線鋪設(shè)時(shí)傚性要求和銲縫質(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. 介紹了琯道防腐補(bǔ)口絕緣層密封性試騐方法的建立及其在補(bǔ)口技術(shù)比選研究中的應(yīng)用情況。pipeliner's cradle 琯道搖架the diameter pipelin 經(jīng)濟(jì)琯逕Underground pipelin 地下琯線 返回 pipeliner