短语词组短语Video switcher 视频切换器state switcher 状态交换器Fancy Switcher 华丽应用切换;梦幻切换器Language switcher 语言切换器Automatic Switcher 自动开关机Super Switcher 超级开关Signal Switcher 信号开关semiautomatic switcher 半自动切换器HDMI switcher 切换器 返回 switcher