HG/T 20592  法兰 PL 65-16 RF hg f´s=6c3/data/src/public

WN 600-300 RF S=m50R5 hg0RFJS=5 RF S=F50

WN300(B)-10 T/G02/5R=5050 K=4 r

WN80-150 RF SH/F0F0 rf sch120sMo25-16F0FRB=83 S‚

BL25(a)-25FMFM05=52.3009MSch10-=bl85/u00b0PL

1 CFM 500-1.0 RFrf)-10rf hg=t216F S=

1 CFM 500-1.0 RFrf)-10rf hg=t216F S=3B=151