2. Beehive bottom board, thimbles move support board, agile
orientate PCB, easy to print dual sides PCB.
万能蜂窝底板,活动顶针活动支撑块,灵活定位PCB,方便印刷双面PCB。
3. Designers not only design the posture and feelings of sitting and riding, but also
orientate the users action and their social roles.
设计者不仅对使用者的坐姿和坐乘感受进行设计,而且也对使用者的行为和社会角色进行定位。