变压器安装分()场所。
A.室内
B.室外
C.柱上
D.车间
参考答案:A, B, C
The solar system in astronomy consists of the sun and its planets. EXCEPT ______, all the planets got their names from Greco-Roman mythology.
A.Mars
B.Earth
C.Venus
D.Jupiter
在汽车充电系统中,若电压调节器电压过低或第一对触点烧蚀,或第二对触点烧结,会导致()。
A.不充电
B.充电电流过大
C.充电电流过小
D.充电电流不稳