介绍采用变频调速和功率回收加载技术的新型矿用液压泵和液压马达试验系统，并有应用实例。
The paper introduces an advanced hydraulic pump/motor tester for mine, combining frequency-modulated control with power recovery techniques, and an engineering application example is given.
从液压系统功率回收的原理出发，设计出了一种新型的液压封闭式汽车车桥疲劳检测试验台。
A new type hydraulic closed-architectured fatigue-testing platform for automobile axle on the basis of the theory of power recovery in hydraulic system was designed.
在此基础上建立的试验系统测试结果表明，液氮模拟lng冷量回收汽车空调系统具有较好的冷量利用性能。
An experimental system simulating cold energy recovery of LNG with liquid nitrogen is established based on the anterior analysis.
载人飞船回收着陆分系统火工装置作为分系统的关键产品，要求具有很高的可靠性和充分的试验验证。
As a key of recovery and landing subsystem of manned spacecraft, high reliability of the pyrotechnics is demanded.
载人飞船回收着陆分系统火工装置作为分系统的关键产品，要求具有很高的可靠性和充分的试验验证。
As a key of recovery and landing subsystem of manned spacecraft, high reliability of the pyrotechnics is demanded.
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