【摘要】 通过对我国摩托车的生产发展情况、产量、保有量和市场情况等方面的系统调研,采用数据统计推理方法,预测"十五"期间我国摩托车电机用电刷的需求量。更多还原

【Abstract】 By way of to production development circumstances and output,tenure amount and the market circumstances of our country motorcycle etc surveying and study of aspect system,adopts the data statistics inference method,and calculating during"15"the requirement capacity of our country motorcycle electrical machinery brush.更多还原