摘要
本文对油泵、油马达、油缸寿命试验台的各种加载形式及系统效率进行了分析，并导出了各种加载形式系统效率的一般表达式。
This paper not only discusses all kinds of the loading forms and system efficiency of the life test bed for hydraulic elements, such as oil pump, oil motor and oil crock. but also deduces the general equation of the system efficiency.
关键词
加载形式
液压元件
寿命试验
loading form,efficiency, hydraulic test bed
