HG/T 20592  法兰 PL 65(B)-16 FF b=�Р0F.5 RJ-RF�� RF

PL65(B)-16 fF b=�Р0F.5 RJ-RF�� RF

WN25(B)-100 RFB110o60

PL 300-16 RF=12cF@ï؟½Sc��Ã�

WN 80-16 RF SCH100=)F

WN 300-300 RF Sch9.53S6RF.0

20615 WN200-150 RFFB=216 MRFfs2@RF@4 Rch44

47023 rf1500-0.6B

1 FM 450-1.0 δs=10

WN 65(B)-150RJRF