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具有檢測效率高和成本低的特點,滿足了海底管線鋪設時效性要求和焊縫質量控制要求。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比選研究中的應用情況。pipeliner's cradle 管道搖架the diameter pipelin 經(jīng)濟管徑Underground pipelin 地下管線 返回 pipeliner