NB/T 47065.1  支座 BⅠ 3801

bi 3801

WN 40-150 RF1 RF 11

BL 15-900 RF

DN 50×15-Ⅱ-3 RC4 FM70 S30615C-9 RC.0S00RFRCC35RC500-16

3 FF 1000-0.25

WN25-600 G Sch8hg2061H1=≥7 L=340 r)

wn150(b)-63 fm92-2004.R0-25rf-6

BI 1680 RJ Sc80

47065.2 A5=0 RF12mpaRF-6 ff2000-0

pl50B-25G-10