Can I enable the \"Comment out the selected lines\" feature for working on text files in Visual Studio 2008 or 2010? I\'d like the ability to use that function on fi开发者_StackOverflow中文版les other
1、光猫上光信号显示灯闪红灯时，应初步判断为光纤线路故障。2、尝试将光猫上的光纤接头拔出再重新插入，观察光信号灯是否熄灭。3、接着按光猫的电源键重启光猫，查看光信号显示灯是否还在闪红灯。4、如果以上方
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