NB/T 47065.4  支座 B7 DN=3600 δn=10 h=837 Dr=1210/K/

4 B7 DN=3600 δn=10 h=837 Dr=1210/K/

so250-10rf2n201/ RF B=148.52s=4000-0=5.7F6F45S/hRF06=55F Sc

wn500(b)-25rf s=1f b=488ticF B1=219=/8-105

WN32-63 M S=4s=3.59fs=9h1=1=12.5 &

3 T 300-1.0 δ0=6

WN15B-63M S=5 B=330-95RFt-.27.31-10rf25- h=194.5 L

WN 300