法兰 BL 300-10 FF

bl300(a)-10ff

Bl15b-16rf0

BL100-16RFm Q345R2

B WN800-300 FM-300 RF0S RF RF

Bl20-16 RF

A WN900-300 RF

HG/T20592-2009WN40B-25 RF RF S=140 RF S=10=32/RF Sch80M SRF50-600/

Bl20-16Rf wn100-16 rf hg/7B

B WN800-300 RF SC5/

PL500- 10RF5 H1=20RFSc/

WN65B-25M