片语
duct用导管输送;以导管封住
Polypropylene pipage rotproof primer聚丙烯管道防腐底漆
coal slurry pipage transport煤浆管道运输
conveying pipe[建] 输送管
the high-pressure pipage高压输送管路
Concrete pipage internal diameter mm混凝土输送管内径
pipage control输送控制
Anticorrosive Pipage防腐管道
Rotproof coating for pipage输送管防腐涂料