NB/T 47023  法兰 FM 2000-6.4c2/data/data/src/public/wx/wx.max.png

so20(b)-16RFRF8-/0(B)-1

WN15(B)-40 mFM 10001=90.510G20615 WN450-

LWN450-300FMotm��1.6/ smpampampampampampampamp

lwn50(b)-300 rf7.5 h=259

WN20-63M L=23 S=4.5

LWN50(B)-100RJ s=4 hg/t2059

47023 m500-1.6/40ampa1.616R

BI400-Fæ.5/R/12 C=

Wn20B-63FMf-