HG/T 20592  法兰 WN 65-40 RF RF Sch10S�FF

wn 65-40 RF RF Sch10S�FF

bl40-150 rf sch80h80SR

SO 40(A)-25 ML(b)-10

LWN 300-300 RF B=3

BL(S)400-10M6RF.4F1

PL 250(B)-10 RF

BL200-16 RFfmchF S rf0-4.@Rh-0F0@b rfrfF SN20-FFF@F/@0( RF Sc0/F S2-Sch100G@AF

1 CFM 500-0.6

1 RF 800-1.0 δs=10

bl80-63rj44