HG/T 20592  法兰 PL 65-25 RFb6 RFδn=0SFpl10c S=.6/40-9

PL65-25RFb6 RFδn=0SFpl10c S=.6/40-9

BL 40-16 FMRyun/

WN15B-1500 RF AA

SW25-150RF0

WN150-16 RJ.4/1

WN 100-150 RJ S=3.0F/Fc.0ns=61=3RFFRFj s3@ SH/T34b1 RF9)-MR2-2F05F-G/25aa=o

so450(a)-16 rf=3.55L6 RFh6F-1.0h800 RF Sch80RF SRFsch40sRFsT20615

3 RF 1600