A single red LED shows that the power is switched on.
单支红色发光二极管表示电源已接通。
But the data is lost when the power is switched off.
但是一旦断电，这些数据就没有了。
Many switched to electric heaters, overloading the power grid.
许多家庭开始使用电加热器，造成电网超负荷运作。
Cut down the power when the manual and electric device is switched.
若传动装置配备手动，手动与电动机构转换时，应切断电源。
The power of machine will be switched over at midnight.
这台发电机在午夜时会改变电流。
The power machine will be switched over at midnight.
发电机午夜转换电流。
The power machine will be switched over at midnight.
发动机将在午夜被开动供换电。
The power machine will be switched over at midnight.
发动机将在午夜被开动供换电。
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