●传动形式有：中心传动、边缘传动、单边双传动等
Available drive methods include central drive, lateral drive and complex drives.
●支承方式有：双轴承式、双滑履式、混合式（轴承
+ 滑履）
Available bearing types are either sliding shoe bearings or trunnions or a combination of both.
●卸料方式有：尾端卸料、中心卸料
Discharge of the ball mills is at the end or in the middle of the ball mill.
