This paper calculates and analyzes pressure on intake valve and confirms and optimizes variable intake valve phase.
笔者对进气门处压力进行了计算分析，对可变进气门相位进行了确定及优化。
This paper calculates and analyzes pressure on intake valve and confirms and optimizes variable intake valve phase.
笔者对进气门处压力进行了计算分析，对可变进气门相位进行了确定及优化。
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