流量控制阀主要有机座、阀体、密封垫、衬套、阀芯、轴承、透气层、充气槽及传动装置组成。
The flow control valve is mainly made up of housing, body, sealing shim, liner bushing, valve cartridge, bearing, breather layer, aerator tank and transmission device etc.
立轴式锤式破碎机主要由机盖、转子、简体、底盘、机座、进料斗，电机及皮带传动装置组成。
The vertical axis fine crusher mainly consists of machine cover, rotor, cylinder, chassis, feeding device, motor, and transmission device.
在过去，机器内部的一整套控制系统是由硬件组成的：传动装置，杠杆和凸轮。
The control systems inside machines used to be physical: gears and levers and cams.
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