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.
使用滚柱挺杆或滑动挺杆来传动旋转凸轮轴做上下快速提升动作(开启和关闭发动机的进气阀和排气阀)的现代型汽车发动机似乎不会出现上述自动熄火的情况。
Modern car engines that use rolling or sliding tappets for transmitting the rapid up-down lifting motion of the spinning camshafts—to open and close the engine’s inlet and exhaust valves—seem immune.
第二、传动系统有些的分体式凸轮、开口式联接板最佳并且便于维修。
Second, some of the transmission system split CAM, open type connection plate is best and easy to repair.
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