HG/T 20592  法兰 WN 20(B)-25 FM.6 f1=1.6 H=101R=32/RF Sch

wn20(b)-25FM.6 f1=1.6 H=101R=32/RF Sch

WN125(B)-160 RF S=10

WN125-300 RF SCH40S

WN15 -63M

WN15(A)-16 RF S=2.9

WN15(B)-160 RJA

WN15-150 RF S=4

WN15-2500RFSch40

WN150(B)-16 RF S=5

WN150(B)-16 RF S=100ch400-8-R27. b=30A)-B)-25S=3mp;ampampampampamp;qu