A.樞紐變,地區(qū)變B.升壓站,降壓站C.配電變壓器二次側,每個用戶的接戶點D.配電變壓器一次側,每個用戶的接戶點
A.10%~20%B.20%~30%C.30%~40%D.50%~60%
A.0.85~0.95B.0.9~0.95C.0.95~1D.0.8~0.85