Some battery types may require a complete discharge as a part of the equalization process.
有些蓄电池型式可能需要一个完全充电如同均衡程序的一部分。
There are principally two types of system - battery (electrical) and flywheel (mechanical).
现在该系统有两种主要的类型-电池(电子型)和飞轮(机械型)。
You have only 2 types. One is battery operated , found in most old houses.
烟雾感应器有两种，一种是使用干电池的，常见于大部分的老房子。
You have only 2 types. One is battery operated , found in most old houses.
烟雾感应器有两种，一种是使用干电池的，常见于大部分的老房子。
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