NB/T 47065.1  支座 BⅠ 18000r20 Rj=603660 fm/0rj&.56RJ

bi18000r20 Rj=603660 fm/0rj&.56RJ

PL 400(B)-10 RF540S33 s=8 n=2T21620-1.0

WN 400(B)-16 RF S=9-00s5F6c-1.6rf00-1.0/16Fsfsch

bL450(b)-10RF200-4.0K=10

pl150(a)-10 Rf S=12F S=6FFch8080SS=54050

WN65(B)-600RjRF0RF3N40-300 RFS� WN�16rff4-15(/500f2(

NB/T