NB/T 47065.1  支座 BⅡ 1782

BⅡ 1782

WN 150-150 RF

LWN50-150 RF H=293

WN 4"-150 RF Sch4580

47065.2 A1824

WN1/2-150RFF sCH1F5@PFRF

BL 4"-150 RF‚¬

WN 150(B)-16 RF S=536RF(B)-

BⅡ0359

WN 300(B)-16 RF S=3740RF Sch6291 Tl100=5 rf s== HG=5.5M5mpampampampampampch40Sh40S