求翻译：主充状态： 主充电是设备以设定的“充电电流”值对蓄电池进行恒流充电，当电池电压升到均充电压整定值时,设备自动转入恒压充电状态,此时主充电结束。此状态主要用于蓄电池的活化或初次充电。是什么意思？

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Primary charge status: primary charge is a device to set the charge current value of the battery, constant current charging when the battery voltage to the voltage are given value, the device automatically constant voltage charging status, where the main end of charge. This status is used for the ba

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Primary filling State: the main charge is a device to set the "charge current" value constant current charging the battery, when the battery voltage rises to equalizing charge voltage setting value, the equipment transferred to constant voltage charging status, at which point end of the main charge.

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