并据此设计开发了某四气门柴油机迸气道的模型。

On the basis of these hints, a 4-valve diesel engine intake port model is explored.

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本文分析了迸行配气正时动态测定的必要性，介绍了我们研制的配气正时仪及对发动机进行动、静态测定的情况。

This paper analysed the necessity of dynamic valve timing measurement and introduced the principle of the instrument developed by us to measure static and dynamic valve timing.

youdao

本文分析了迸行配气正时动态测定的必要性，介绍了我们研制的配气正时仪及对发动机进行动、静态测定的情况。

This paper analysed the necessity of dynamic valve timing measurement and introduced the principle of the instrument developed by us to measure static and dynamic valve timing.

youdao