In addition, the design of the panel indicatorcircuit of the system is unique.
此外，该系统面板指示灯回路的设计具有独特构思。
2
The voltage regulation and charging status indicatorcircuit also provides a mobile phone connecting interface to charge the mobile phone directly.
稳压及充电状态指示电路还设有连接手机的接口，直接对手机进行充电。
3
The utility model belongs to a welding holder type controller used for controlling the on-off of a welder, mainly comprising a transformer, a contactor, a relay and a switch indicatorcircuit.