NB/T 47022  法兰 M 300-1./10-B)

2 M 300-1./10-B)

WN 100-1500 RF

3 T 2200-2.5200M70Rh0s

PL50-16RF b=3 d=100 B=33mR6 RF S=03/

PL 40B)-6RFF21

PL50-16RFch10 RCs

WN 1"-600 RF Sch40S

LWN 20-300 RF Sch401.TF@bl100-16

PL1200B-2.5RF140em4/

PL40B-16RF.5M.0fr=RRh40-00RF.rf-A1.7500RF210Sf