NB/T 47065.1  支座 A 274

2 A274

2 RF1300-1.0

JWN40X80(B)-16 RF S=5

BI 5727

PJ/RJ 300(B)-10 RF

PL 250(B)-16 RF

wn65(b)-16 m s=204

WN 80-150 RF Sch40S@1510 RF@w5@R

WN1000-16MRF0-4.002.1

BI 6228A)-16 RF b=4FMbh4sch80chmpampampampampampa0rf559 W80A260K 80A Sch80Ss=5��@RF@4 R