GB/T 29465  法兰 C-G 1650-1.0/20δ0=8

5 CG 1650-1.020δ0=8

wn80-150rf-sch10s

WN 500(B)-25 RF Sch40SFFCH80S0SCH40Sb)-05j-140 rf=229)-16-10FSF

法兰DN900-PN6 PL/W-B RF Ⅱ5mmSch8100M–ë‚î�

pl250b)-10 rf b=6p

WN100-16RF S=/1

A 10009 PL25/m0=4.8 B=Fx/F S=s=

47021-M 500-1.0 b1=990F

wN