1)uniform force round pole,圆型恒力杆2)uniform force square pole,方型恒力杆3)uniform force hinge pole,绞链恒力杆4)permanent force increasing lever,恒增力杠杆5)circle spreads the dint pole,圆面传力杆6)cylindrical curved lever,圆柱型曲杆
用法和例句
Reflex typed 3 staged serial permanent force increasing lever mechanism