从 Galaxy Z Flip 三折叠专利（展开 7.4 英寸大屏、支持 S Pen ），到 Z 形三折叠屏设计（折叠后可外显），再到如今的游戏掌机，三星正在疯狂拓展折叠屏的形态边界。

Reviewers say this stuff works after other similar cleaning products didn't. 6.Really make the brass cleaner earn its keep by ...