释义 n.以管输送；输送费；输送管 实用短语coal slurry pipage transport煤浆管道运输rotproof coating for pipage输送管防腐涂料polypropylene pipage rotproof primer聚丙烯管道防腐底漆pipage control输送控制anticorrosive pipage防腐管道the high-pressure pipage高压输送管路concrete pipage internal diameter mm混凝土输送管内径 同根词词根：