NB/T 47065.1  支座 BⅡ 4806 S0.

BII 4806 S0.

BII 4806 S0.25��77.5 RJ FM�SC0RF@WN1F0112950 r�77.5 RJh40mpR

wn80(b)-16 ff

WN 450-2.5 FM.50R

BL40(B)-10 M

BL 20(B)-16RFrf90FF Scham

BL 40-150 RF.6 /data/src

PL50(B)-25RF b=3

3 FM 600-2.5 δ0=10

PL50(B)-25RFmRwn40-6-10ffF=-150RFF/