以下为句子列表：
英文: The shield is lifted by pneumatic rod.If the shield is opened,the general power supply of the machine is cut off and the alarm lamp and the operation indicator inside the shield light on to provide sufficient lighting at night.
中文: 护罩用气动撑杆撑起，打开时全机总电源断开警灯和护罩内的工作灯亮起，保持夜间工作光线充足。
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