在MP 4到MP 3转换器允许用户选择是否删除原始文件。
The MP4 to MP3 converter allows users to select whether delete the original files.
显示当前卷上的文件状态是否为删除，允许从CD中恢复文件；
Volume on the current state of the paper shows whether deleted allow recovery from the CD;
显示当前卷上的文件状态是否为删除，允许从CD中恢复文件；
Volume on the current state of the paper shows whether deleted allow recovery from the CD;
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