...传动齿轮系统演变而来的，保留了良好的耐用性，为改善无法等速平顺卷线的缺点，在机构中增加旋转凸轮（ROTARY OSCILLATING CAM）的键零件，已可达到近似等速平顺的卷线状态。
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凸轮(1)上设置有便于工具着力以旋转凸轮(1)的配合着力部。
The CAM (1) is provided with a matched force application part convenient for a tool to apply a force to rotate the CAM (1).
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.
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.
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