例句 /

Teflon-lined pipe, casing, Elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen-ring, gasket seal ring and auto parts.

Teflon-lined pipe, casing, Elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen-ring, gasket seal ring and auto parts.

聚四氟乙烯内衬直管,套管,弯头,三通,四通,大小头,筒体,空压机-制氧机-活塞环、密封圈和汽配封圈。