[size=3][backcolor=#ffffff][color=#d10000][b][font='Microsoft Yahei', Hei, Tahoma, SimHei, sans-serif]介绍一款质优价廉的DC-DC板.带电量指示.馈线短路报警功能.[/font][/b][/color][/backcolor][/size][size=3][backcolor=#ffffff][color=#d10000][b][font='Microsoft Yahei', Hei, Tahoma, SimHei, sans-serif] [/font][/b][/color][/backcolor][/size]