法兰 BL 250-16 RF)-16FF1603 1

Bl250-16 RF)-16FF1603 1

WN350-300 RF,B=330

WN20(A)-16 RF 26.

wn100(a)-16RF f1=3 b=32 sch

wn150-150rf sch40\u0

47023 RF450-1.0/45R

wn150-300rf是什

WN 100-150 RF0rf sch10S δ=56 h=

BL25-300 RJ1.6/62.5 î´=c3

wn150-300 rf s=10 800-23=2056 d