法兰 WN 50-100 RF 60.3*4 4/u00c3/u0083/u00c6/public/common

47023 RF1500-0.6 δ=100 H=300

wn20(B)-600 RFf2=4 n=60=15

WN25-2500 M Sch40B)10h

LWN50-600RF Sch800(B)-25 RF)-0 S=4FMu0

471023 RF 500-1.

wn50(b)-63 m ,hg/m06140S0(B)-1RF WN25=110 b.

HG=T20592-2009BL500-40RF/

SO 80(B)-16 RF-1.0bh40F S=5/b=303.5 40

BL4