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微电脑控制电路,微功耗,电池使用寿命2年,电量不足时蜂鸣提示。
Controlled by microcomputer, the battery can be used for 2 years, and the machine will beep when lack of power.
youdao
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微电脑控制电路,微功耗,电池使用寿命2年,电量不足时蜂鸣提示。
Controlled by microcomputer, the battery can be used for 2 years, and the machine will beep when lack of power.
youdao