Some high-performance engines have two separate camshafts, one for each set of inlet and exhaust valves.

一些高性能发动机有两个单独的凸轮轴，分别负责开关进气门和排气门。

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Some high-performance engines have two separate camshafts, one for each set of inlet and exhaust valves.

一些高性能发动机有两个单独的凸轮轴，分别负责开关进气门和排气门。

youdao