A级管道阀门  the A-level pipeline valve

管道阀门  pipeline valve

抽油泵泵阀  pump valve-ball

高压管道泵  high pressure pipe pump

管道泵  Pipe pump; in-line pump; inline pump; pipeline pump; pipeine pump; in-linepump; piping pumps

管道泵站  pump line pumping station

水泵管道  water pump tube

血泵管道  blood pump tubing

循环泵管道  circulating pump pipeline

补汽阀管道  overload valve piping

储罐-波纹管-管道系统  tank bellow pipeline ( TBP ) system

地下管道阀  Culvert valves

阀门管理  valve management; valve manage; valves government

阀门管理程序  clients relation management

风道、管道  Duct

杆井管道管理  pole and pipeline management

供油管阀门  fuel supply line valve

管、管道  pipe

管道管径  pipeline diameter

管道管理  pipeline-management