NB/T 47065.1  支座 A 2926

2 A2926

BⅡ630

2 A9331

BⅡ 17349

BI 75283

47065.4 A2251

WN 50(B)-16 RF674

bl200-300 rf d= l=

PL 50(B)-10 RF

SP-661211)-16RF0500-2.5pa1217.5 RJj5 l=1206170 D=4�—-16rfhg/t205550 RF� S=6F615F1/64-10RF6 SC.5 R2@RF.25 δs=16rfh5=FM S=0S0.66043.5RF�