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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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。

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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。

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The watch is powered by a regular button cell, but thanks to the low-energy design, the watch can go two years between battery changes, assuming that the Bluetooth function is used for about 12 hours per day.

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