When to notice when the choice: It is chair face the soft degree of cloth art, the 2 strong pitch that are brace, it is last bits hind back flexibility must accord with human body function to learn.

• 选择时注重几点：一是椅面布艺的柔软程度，二是支撑件的坚固程度，最后一点就是后背的弯曲度一定要符合人体功能学。