使用用电设备时，湿手，电源插头潮湿有水，外壳破损时不要使用，并请有关技术人员检查确认。

Do not use electrical equipment in any case of wet hand, wet plug, and damaged shell, which shall be inspected and reviewed by specific personnel.

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插座外壳限定了适于接受插头的插孔。

The jack housing defines a socket adapted to receive the plug.

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加热器由外壳，设于外壳内的加热丝，以及与加热丝依次连接的开关、变压器、电源插头构成。

The heater is composed of a housing, a heating filament arranged in the housing, and a switch, a transformer and a power plug sequentially connected with the heating filament.

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