顶置凸轮，链条传动，正时配气系统传动平稳，噪音小。
Upward camshaft; chain transmission; timing distribution system is stable and has little noise.
顶置凸轮，链条传动，正时配气系统传动平稳，噪音小。
Upward camshaft; chain transmission; timing gas distribution system is stable and has little noise.
结果表明，正时方案正确，系统运行正常。
The results showed that the program was correct, and the system operated normally.
结果表明，正时方案正确，系统运行正常。
The results showed that the program was correct, and the system operated normally.
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