HG/T 20592  法兰盖 BL 200-100 RF8 RF f1=

bl200-100rf8 RF f1=

WN100-2500 RJ B=82.3

WN 150-300 RF Sch400RF S=8"�؟½h80s RF80@40@

LWN 500-300 RF B=153b

PL32()-16 RF RFF000-1.0130 R/data/s

2 A1�6-130qRF Sfs80

bi168BpampaF l5-3

WN400-150 RFS4/8=

WN600B)-16 RF6@ LFM5 RJ0SM-10rf�@RF@f