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SFRB30 35-L-F-P-6 8 10 12 16 20 24-T-S-8 10 12 16 20 24 30
SFRB PSFRB-6 8 10 12 13 15 16 17 18 20 22 25 30 35 40 50
SFRB/PSFRB6/8/10/12/15/16/17/18/20/22/25/30/50-15~600转轴