With a roll ball rocking arm and balance tray. It is a smart design and convenient to be installed quickly.
备有流滚珠式驻持摇臂及平衡托架，设计巧妙，安装简便，快捷。
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Their generation brought us rock 'n' roll, and they're not about to listen to it in their rocking chairs.
NPR: Who's Your Grandma? These Days, Nobody Is
应用推荐
模块上移
模块下移
不移动