He has a bicycle with lights powered by a dynamo.
他自行车上灯由发电机提供能源。
He has a bicycle with lights powered by a dynamo.
他自行车上灯由发电机提供能源。
Evolving process of hub dynamo which used in bicycle is presented. The performance of magnetite viz. ferrimagnetism or NdFeB is analyzed. The prospect of marketing is viewed.
摘要介绍了自行车上使鼓式发电机演变过程,分析了所磁石,即铁氧体或钕铁硼性能优劣,并进行了市场前景展望。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。