3、From Sichuan, Cao Zhengshu's pigeon-shaped plane sits on stroller wheels and is powered by a motorcycle engine;
1、Control of the noise radiated from the motorcycle engine shell
5、The current detection method of motorcycle engine abnormal sound is artificial auscultation, which is very subjective and easy to make mistakes.
2、Numerical analysis of noise radiation from motorcycle engine shell
4、The adjustment on thermodynamic cycle process and operation parameters of motorcycle engine by VVT mechanism is analyzed.
