A.腘部B.腰部C.大腿D.小腿
A.座面=小腿高-5cmB.座面=小腿高+5cmC.座面=小腿高D.座面=小腿高+10cm
A.椅面水平設(shè)計(jì)B.椅面前傾設(shè)計(jì)C.椅面后傾設(shè)計(jì)D.提高椅面高度設(shè)計(jì)