anchored pipe-pipe  锚管桩

branch pipe welded directly to the run pipe  焊接支管

copper pipe and aluminum pipe  铜铝管

pipe and pipe-plate  管子管板

Pipe in Pipe  管套管热交换器

pipe in pipe casing  双层组合套管结构

pipe-in-pipe casing string  双层组合套管固井技术

pipe-in-pipe systems  双层海底管道

PVC pipe vinyl pipe  聚氯乙烯管

PVC pipe|vinyl pipe  失速攻角

vinyl pipe PVC pipe  化学反应器稳定性

welding part of copper pipe and low corbon steel pipe  紫铜管与低碳钢管焊接件

(Slight) stretch pipe reducing mill  (微)张力减径机

1Cr18Ni9T stainless steel pipe  1Cr18Ni9Ti不锈钢管

1Cr18Ni9Ti heat exchange pipe  1Cr18Ni9Ti换热管

20 steel pipe  20钢管

2-roll Rotary-rolling Pipe Mill  二辊斜轧管机

304 stainless steel pipe  304不锈钢管; 烯烃(P)

316Ti heating pipe  316Ti加热管