城市建设理论研究 关键词：电力拖动；控制线路；布线方法； [gap=133]keywords: electric power drag; control circuit; wiring method;
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Elevator special inverter occurs along with the increases of buildings. It satisfies the demand of electric power drag system used in high performance elevators.
随着高层建筑日益增多，对高性能电梯的电力拖动系统要求越来越高，电梯专用变频器应运而生。
In 1998, it produced DC motor to drag piston compressor split type electric air conditioning system, solved the adaptability problem in complex trolleybus 's power supply system.
1998年，生产出直流电机拖动活塞式压缩机的分体式电车空调系统，成功解决了空调在复杂的乌龟电车点系统中的适应性问题。
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