NB/T 47065.1  支座 BⅠ 2203

BI 2203

TPB-316040S0О

DN400-Class600 WN FM Sc

PL132-16RFSF RFR�49AFF ScF&@��@RF@40fF Sch4

BI 70718

WN 50-150 RF3240

BL 25-40 FF11

BI 1101

a 3000 h25/3 kFs=7.11R0-1.0F5

WN 4"-150 RF Sch63820RFSfA-ï؟½ï؟½Mfs2@RF@4B)-10 FM HG/0F000 RF-3