upright lever的意思|示意
美 / /
英 / /
垂直杠杆
upright lever相关例句
A lever (19) or another element which is preferably arranged so as to stand upright belongs to the thread sensor (18).
杆(19)或者另一个最好设置为竖直站立的元件属于纱线传感器(18)。