大中型电机试验能是国内一流的的翻译：Large and medium-sized motor testing is first class 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Medium-sized motor test can be first-class

Large and medium-sized motor testing is first class

The large and middle scale electrical machinery experiment can be domestic first-class

Large and medium-sized motor test can be the best in the country

Large and medium-sized motor testing is first class