用手触摸变压器的外壳时,如有麻电感,可能是()
A.线路接地引起
B.过负荷引起
C.外壳接地不良引起
D.过电压引起
参考答案:C
炼焦原料主要是烟煤。
Not to waste time searching, she kept everything just ________ she could get her hands on it.
A.where
B.as
C.when
D.if