单项商品价格指数,单项商品价格指数,danxiang shangpin jiage zhishu,商品,单项,价格指数,danxiang,jiage,shangpin,[拼音]:danxiang shangpin jiage zhishu[外文]:price index of individual commodity反映某一种商品价格水平...
单相异步电动机,单相异步电动机,danxiang yibu diandongji,单相,异步电动机,danxiang,yibu,diandongji,[拼音]:danxiang yibu diandongji[外文]:single phase asynchronous motor用单相交流电供电的异步电动机。所用电源方便,结构简单,价格低...