【摘要】 简要介绍内燃机机油泵性能测试装置的现状,主要叙述步进调压式试验系统的原理和结构,以及研制开发的意义。更多还原

【Abstract】 This paper introduces briefly the current situation of automatic performance test rig for internal-combustion engine oil pump.It states mainly the theory and structure of the test system by step voltage regulator,and its significance of researching and developing.更多还原