ROM is usually for the permanent, non - volatile storage of an applications program.

ROM通常是用于永久的 、 非易失的应用程序存储.

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You can only create a toolbar for folders located on non - removable and non - volatile storage media.

您只能为位于非可移性和非挥发性存储媒介上的文件夹创建工具栏.

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