A.B相断线 B.A相断线 C.C相断线 D.B相接地
A、0.025,-0.010,0.015 B、0.025,0.010,0.015 C、0.025,0.015,-0.010 D、0.025,0.015,0.010
A.焦耳; B.瓦特; C.安培; D.伏特。