分类： 信息化
2014-03-21 14:45:11
power supply with a battery-powered and 220V power points, early use more battery power, you can use more than one year, and now the thermostat 220V power supply is gradually increased, with a thin, less protruding wall , aesthetic characteristics, or at night when the light is very convenient bad. Inter and boiler without any exchange current, battery powered and 220V power supply problem.
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