HG/T 21574  吊耳 SP-21

SP-2114h80S-16 FFf4-@В°440RF2cRF@В@RF@

PL 400(B)-40 RF

WN 50(B)-16 RF

PL65-6RFF0bc(b)-10md Sch40F@RFch60@RF@4 Rch

法兰wn250-150 rf,s=10

2 FM 700-1.60-R5R

2 RF 500-0.2520δ1=16200

DN1400-PN25 WN RF S=14RF60

BI 1000-165

BI3