The switching-on operation of grounding switch can be done only when the trolley is located at the testingposition to prevent switching on the grounding switch with charge.
手车只有在实验位置接地开关才能进行合闸操作,防止带电合隔离开关。
2
Based on information entropy weight and matter analysis, the mathematic model of selection is set up according to the factors of testingposition selection in some new cannon.