基本释义:

双偏置U膨胀弯管

网络释义

1)double offset expansion "U" bend,双偏置U膨胀弯管

2)expansion U-bend,膨胀U形弯管

3)loop expansion bend,膨胀弯管

4)expansion U-bend,膨胀U形管

5)two-layered U shape Expansion Joint,双层U形膨胀节

6)expansion U-bend,U型胀缩弯管