zb123y
t-type,m-twist moment,rs-rotat speed,D-outer diam,d2-axle diam,L-axle length
4 t m rswy
zb123zj
t-type,m-twist moment,rs-rotat speed,D-outer diam,d2-axle diam,L-axle length
5 t m rsH wy
zb80
t-type,D-outer diam,d2-axle diam,L-axle length
2 t D

