NB/T 47065.2  支腿 b3dn=1

2b3dn=1

bl80-16 rf k=155 d

wn200-16rf1505 k=33560&a

BII 300R0S=F/86RF

SO300-150FF R100006-

wn350-300 fm M-1.6/2—& R

LWN250-300 RF Sch40 H=2

WN 500-150 RF B/7022 RFOtml046

Pl400(B)-6 RF00GRFrum.html.7h8ff255 h=3700F=

WN 20(B)-16 RF S=3pqu0-215191