NB/T 47065.1  支座 A 3570

2 A3570

2 CT 1500-4.020H40…�=16 RF H=2pampampam

SP-3086

2 A1694

2 CFM 2800-1.620δ1=1214¢â00(b)-16Sch148+0pampamp-16r

WN 50-150 RF1479

47065.2 A4279

BⅡ 17624

SO 250(B)-16 FM0FFRF�

SP-6216� rf@ch4SS5 RJ2AF@F0cm sC-ch30.M-fFg/5066R0-F/r6B)-4R