The four-stroke cycle which is in common use.
这就是常用的四冲程循环。
This is the four-stroke cycle which is in common use.
这就是常用的四冲程循环。
Most automobile engines operate on four stroke cycle.
大多数发动机运转为四行程循环。
Most automobile engines operate on a four stroke cycle.
大多数发动机为四行程发动机。
Most automobile engines operate on a four stroke cycle.
大多数发动机为四行程发动机。
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