A.重合閘成功次數(shù)除以重合閘應(yīng)該動(dòng)作的總次數(shù)的百分?jǐn)?shù)
	B.重合閘失敗次數(shù)除以重合閘應(yīng)該動(dòng)作的總次數(shù)的百分?jǐn)?shù)
	C.重合閘成功次數(shù)除以重合閘失敗次數(shù)的百分?jǐn)?shù)
 
                            
	A.瞬時(shí)性故障
	B.永久性故障
	C.間歇性故障
	A.永久性故障
	B.瞬時(shí)性故障
	C.電纜故障
	D.母線故障
