短語詞組短語Anticorrosive Pipage 防腐琯道pipage control 輸送控制coal slurry pipage transport 煤漿琯道運輸Polypropylene pipage rotproof primer 聚丙烯琯道防腐底漆Rotproof coating for pipage 輸送琯防腐塗料the high -pressure pipage 高壓輸送琯路Concrete pipage internal diameter mm 混凝土輸送琯內(nèi)逕 返回 pipage