secondary batteries

• 蓄电池

secondary batteries的用法和样例：

例句

1. The plant changed over to the manufacture of storage batteries last year.
   这家工厂去年已改产蓄电池。
2. One large city used such construction on their heavy duty batteries for city buses.
   一个大城市把这种结构用于城市公共汽车的负荷蓄电池。