GB/T 29465  法兰 C-G 2350-1.0/20δ0=206

5 CG 2350-1.020δ0=206

21531 WN250-25RF/J=/m Sch802.5 Оҙs=8A=73.1H=1 S=1RF schF S=

WN 300-600 RF5h4-4.

pl50b-25ffFM1500-0.6ch T3uotHG4=4.000ch40 s=Fd=l=p

BL 50-1500 RJ0 RF M S=

WN50(B)-100M S=50K

ГҠвүҘГҜГӮГ–вҲһ WN 100(B)-25 RF

20615