liner man 中文意思是什麼
liner man
解釋
樣板工-
Pvc specification for poly vinyl chloride profile strip for pvc liner for rehabilitation of existing man - entry sewers and conduits
修復現有的人可進入的污水管道用pvc襯里的聚氯乙烯 -
Standard practice for installation of poly vinyl chloride profile strip liner and cementitious grout for rehabilitation of existing man - entry sewers and conduits
排污管和管道修復用聚氯乙烯異型條襯里和水泥薄漿安裝的標準實施規程
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