Thank you for intro me Skyview 4ch DVR System, the system is so user friendly, recording and play back the picture also clear, thank a lot.是什么意思_Thank you for intro me Skyview 4ch DVR System, the system is so user friendly, recording and play back the picture also clear, thank a lot.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句