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1·It added bright colorful lights, electric trolley cars, electric heat and refrigerators to our modern world.

它给我们现代社会增加了色彩缤纷的灯光，电车，电暖气和电冰箱。

2·Smart electric trolley, the source and circuit diagrams, some functions have been achieved, other functions need perfect!

智能电动小车，源程序和电路图，部分功能已经实现，其他的功能还需要完善！

3·Grasshopper is a foldable electric bicycle that turns into a trolley for easy transport. The use of composite materials provides rigidity and strength.

蚱蜢自行车是一种可折叠的电动自行车，它可以被折叠成手推车形，便于携带。复合材料的使用，保证了其硬度和强度。

4·Accurate gauge of electric energy that trolley buses consumed is realized via the intelligent Watt-hour meter, making the scientific management of trolley bus power possible at the same time.

实际应用表明，该电能表可以实现无轨电车用电的准确计量，同时为用电的科学管理打下了基础。

5·Taking tapping trolley as an example, it introduces the adjustment procedure of the electric system and troubleshooting as well.

以出铝小车行走为例介绍了多功能天车电气系统的调试过程和常见故障处理。

6·The utility model relates to a vacuum contactor-fuse combined electric appliance, particularly a hand trolley type horizontal pulling and isolating switch device.

本实用新型一种真空接触器-熔断器组合电器，涉及手车型水平拉引隔离的开关装 置。