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.
还需进一步研究HSY作为电动机和发电机的一些特殊性能以及开发合适的控制系统等等。
Further studies seem necessary to particularize HSY characteristics when used as motors and generators, as well as to develop appropriate control schemes, and so on.
针对电动机—发电机系统在低网压下的启动特性进行了理论分析和模拟计算。
Academic analysis and simulation calculation about starting characteristic of motor generator system in low voltage were carried through.
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