"Application of 28 volt dc to TRIP, reverses the polarity of the coil and the contactor opens assisted by the spring." In the above sentence,what is the meaning of "Application"?
A.通电; B.引导; C.施加 ; D.协助;正确答案C
"Application of 28 volt dc to TRIP, reverses the polarity of the coil and the contactor opens assisted by the spring." In the above sentence,what is the meaning of "Application"?
A.通电; B.引导; C.施加 ; D.协助;正确答案C
