Influence of valve timing on air intake efficiency of the variable air intake system is analyzed.
2
还有YCC-I的摄入量雅马哈芯片控制，可变进气系统，扩大了传播的权力。
There's also YCC-I, Yamaha Chip Controlled Intake, the variable intake system that broadens the spread of power.
3
对该汽油机采用的可变进气系统的歧管直径和长度、控制阀开关的切换转速等结构参数进行了优化设计。
Structure parameters of its variable intake system, such as diameter and length of intake manifold, switching speed of control valve switch, etc. , are optimized.
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