primary battery

• 一次电池(组),原电池(组)

primary battery的用法和样例：

例句

1. Primary batteries have higher density and a lower self-discharge rate.
   一次电池有较高的容量和较低的自放电率。
2. Recent studies on anode materials for lithium ion secondary battery are reviewed.
   综述了最近几年来锂离子二次电池负极材料的研究。