NB/T 47065.1  支座 A 4746

2 A4746

DN 150-Ⅱ-6 90EL

3 B3469

PL100(B)-16 RF4421

WN15(B)-160RF

2 A7267

WN80(B)-16 RF Sch3888S2115h40h40Ss5 RJRF.=170f150Rf2S50 FF D=14RF RF16

SO 350(B)-10 M

BI 15019

SP-9877B)-16 RF6.0/00 FM Sch10SPT00 RF Sch8c3Rh40S15 S2 PL RF � RFS4.5 RJ-9@RF