Design and Implementation of the Measuring Instrument for Battery-Powered Bicycle's Motor. 电动自行车控制器测试仪的设计与实现。
Our Charles Series Bicycle and Shijiren Scries Bicycle are welcome by consumers and they are popular ones in the international markets. 由公司生产的查尔斯和世纪人系列电动自行车深得广大消费者的好评，产品畅销不衰。
