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返回线路 回汽管 回水管 回油管路
returnline  detail>>
回汽管路
steam return line  detail>>
闭式满管回水
closed full flow return  detail>>
管路回线
pepe loop pipe loop  detail>>
回油管路
oil return line oil return pipe scavenge line used oil pipe  detail>>
主回油管路
main return line  detail>>
返回线路
line of return  detail>>
滑油回油管路
oil scavenging line oil-return line  detail>>
右转回油管路
right turn return line  detail>>
冷凝回水管路
condensate return piping  detail>>
自动回水管路
automatic return of water  detail>>
T形管回路
t-piece circuit  detail>>
晶体管回路
transistor loop  detail>>
立管回接
riser tie-back  detail>>
食管回流
esophageal reflux  detail>>
套管回收
casing withdrawal recovery of casing withdrawal of casing  detail>>
形管回路
t-piece circuit  detail>>
回汽[回水]干管
return main  detail>>