Aircraft mechanics maintain, repair, overhaul, modify and test aircraft structural, mechanical and hydraulic systems.
飞机机械师维护，修理，大修，修改和测试飞机的结构，机械和液压系统。
Maintain, repair, test and install electrical motors, generators, alternators, industrial storage batteries and hydraulic and pneumatic electrical control systems.
维护，修理，测试和安装电动机，发电机，交流发电机，工业蓄电池和液压和气动电气控制系统。
Maintain, repair, test and install electrical motors, generators, alternators, industrial storage batteries and hydraulic and pneumatic electrical control systems.
维修，安装，检测电动机，发电机，交流发电机，工业蓄电池，水力和风力电控系统。
The paper presents the model experiments of one-pick and drum cutting systems on a hydraulic planner and a special cutting test rig with the artificial analogous cutting materials.
本文利用人造模拟截割材料，在液压刨床和专用截割实验台上完成了单齿和滚筒截割系统的模化实验。
The real vehicle test shows that under two typical conditions of full load range and full load leveling. Pump speed tracking accuracy, response quickly, can better meet the needs of hydraulic systems.
实车测试表明：在满载变幅、满载调平两种典型工况下，泵站转速跟踪准确、响应迅速，能够较好地满足液压系统需求。
Hydraulic test is to use hydraulic test equipment for hydraulic components and hydraulic systems for the testing and performance evaluation.
液压试验是利用液压试验设备对液压元件和液压系统进行性能的检验和考核。
The new type servo valve can be used in the vibration test bench, the fatigue test bench, and the various hydraulic control systems which need fast response characteristics.
新型伺服阀可以应用于振动试验台、疲劳试验台及需要快速反应的流体控制系统中，可提高系统的快速响应特性。
The new type servo valve can be used in the vibration test bench, the fatigue test bench, and the various hydraulic control systems which need fast response characteristics.
新型伺服阀可以应用于振动试验台、疲劳试验台及需要快速反应的流体控制系统中，可提高系统的快速响应特性。
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