Requires a watch cell battery ( included ).

需要一只手表电池 ( 包括在内 ).

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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.

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This article discusses the variety and character of the fuel cell, battery and motor.

本文主要介绍了动力系统中燃料电池 、 蓄电池、电机的主要类别和特点.

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