HG/T 20592  法兰 WN 80(B)-40 MFM��)-10rfBRF@443RF@AFF@PFFt Std9@45@0-16 RF0 f3ampampampampa

WN80(B)-40 MFM��)-10rfBRF@443RF@AFF@PFFt Std9@45@0-16 RF0 f3ampampampampa

WN 2 1/2"-2500 LM58525d

WN65-600RFS=3.38

BL 25-150 RF

WN 40-1500 FF Sch140Fampamp

wn15b-1500 rfRF4пRF0@R

WN25-6 RF230 RF)-150

wN25(B)-150RFs

BL40-2500rjB)=5

pl350-25