运用现代多体系统动力学理论，针对双液压缸并列驱动的大型装置起竖系统，建立了含间隙起竖多刚体系统的动力学模型。

Modern theories of multi-body system dynamics are used to build the dynamic models with clearance of large equipment erecting system driven by two oil cylinders side-by-side.

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本文论述的是根据台架试验及模拟计算结果得出的多缸发动机进气系统内压力波动与充气效率-转速特性的关系。

Presented in this paper is the relationship between intake pressure wave actions and the general volumetric efficiency speed characteristics of multi cylinder engines.

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缩松缺陷是导致多缸柴油机缸盖铸件渗漏的主要原因。

Dispersed shrinkage is the main reason causing leakage of multi-cylinder heads of diesel engines.

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