secondary batteries是什么意思 secondary batteries怎么读
secondary batteries的用法和样例
- The plant changed over to the manufacture of storage batteries last year.
这家工厂去年已改产蓄电池。 - 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。
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