NB/T 47065.1  支座 A 3031

2 A3031

DN25-PN25 WN RF Ⅱ

TH 8"-300 RF/8200681����@RF@4 Rc

4 A1984

2 A6112

SP-5336

3 B386

47065.3 B623

SO450(A)-16 RF&ampampwd=&eqid=s=3c00;ampamJ1@6W.@RFSp0.5 RJRF1@

WN450(B)-16 RF S=125rfRh80S1.619SRFSc0/h25 RFch405rfTRoke0f d=140