NB/T 47065.1  支座 BⅠ 75133

BI 75133

PL 125(B)-16 FF

WN 4"-300 RF Sch40S

wn50-600rf,sch80s

BI 131673 B5254040@RF@45-R@4 RF�0 R21.200 RF900 FFAFF@PFFt5 RJMF@..R66orumothg2061A5 RJScF&577.5 RJpam��F@5@°

5 CFM 2350-2.520δ0=20

WN130-16RF2½p0O2m RFot3

BI 11074

3 B2mr