NB/T 47065.1  支座 BⅡ 4782RJff B0 RF(B)-16RF RJ r650 RF Sch4.5 RJ-197.5 RJ50-4.0 δ0=320ARFF2cRF@В@RF@4�

bii 4782RJff B0 RF(B)-16RF RJ r650 RF Sch4.5 RJ-197.5 RJ50-4.0 δ0=320ARFF2cRF@В@RF@4�

WN 50-150 RF4385

PL258(B)-16 RF0-0F

PL100(B)-16 RF3974

DN 300×250-Sch80 RCB0

DN200/PN10/01A&

WN80(B)-16 RF42733

pl15-2.5 rf100(2020

WN80(B)-16 RF45535

PL100(B)