NB/T 47065.1  支座 BⅠ 23005RFFFF/u00e6RFRF

BI 23005RFFFF/u00e6RFRF

WN 6"-300 RF Sch4013

pl80(a)-6 rf6 /u00c155=/0/-f/@47023

DN25-PN2.5 PL RF II L=1ed=43 K-

BL80-150RF-2.50-1.0RF-16R500T23fm6/u0-28

Lwn50-300fm=300cB=2451 K3 K5RF2F RF63

DN250/PN16/01BfS=4.50-c0

DN 15-Ⅱ-12 CR

DN 15-Sch40S