About 3, 500 cases of button cell battery ingestion are reported annually to poison control centers.
中毒控制中心每年报告的这类误食“纽扣”式电池的案例约3,500起。
About 3,500 cases of button cell battery ingestion are reported annually to poison control centers.
中心每年报告的这类误食“纽扣”式电池的案例约3,500起。
A button cell battery is a round small cell or battery where the overall height is less than the diameter.
一个纽扣电池是小型的圆形的电池，总高度小于其直径。
Research of zinc-air battery in this thesis includes: optimum process of air electrode preparing, assembly of button cell, design and assembly of cylinder cell.
本文对锌空气电池进行了以下研究：空气电极的制作工艺优化、扣式电池的装配和圆柱型电池设计与装配。
Research of zinc-air battery in this thesis includes: optimum process of air electrode preparing, assembly of button cell, design and assembly of cylinder cell.
本文对锌空气电池进行了以下研究：空气电极的制作工艺优化、扣式电池的装配和圆柱型电池设计与装配。
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