GB/T 29465  法兰 C-G 2200-0.6/20δ0=20

5 CG 2200-0.620δ0=20

bl50-900rjo

WN80(B)-16 RF80S A

wn32-16m c-ra

2 RF1100-1.0)5001.RF 100A/M/4000a--1.04(/68

WN200-150 RFf scЕ┘╟ so39.518font16 R

ASME B16.5 WN125-150 RF Sch10Swn40-150rf s/m-2030(B)-16RF RF0

SO 250(A)-25 RF626

SO 50-300 T=1s=