Anticorrosive Pipage防腐管道
pipage control输送控制
coal slurry pipage transport煤浆管道运输
Polypropylene pipage rotproof primer聚丙烯管道防腐底漆
Rotproof coating for pipage输送管防腐涂料
the high-pressure pipage高压输送管路
Concrete pipage internal diameter mm混凝土输送管内径
N(名词) pipes collectively 用管道输送