我们使用的课桌椅,其形式、高度都是统一的,但每个同学的身高却各不相同,难免出现桌椅不合适的情况,真烦人!别急,我想出了一个大大的发明,可以帮你解除这个烦恼,那就是能够自动升降的桌椅。你别小看它,它可不是传统的人工升降桌椅,要手动 The desks and chairs we use are uniform in form and height, but the height of each classmate is different. It is inevitable that tables and chairs are not suitable. It is annoying! Don’t worry, I came up with a big invention. , Can help you to lift this trouble, that is to automatically lift tables and chairs. Do not underestimate it. It is not a traditional artificial lift table and chair.