在感性负载两端并联电容器,可提高功率因数。
参考答案:对
My bother often makes his teacher ____________.
A.happy
B.happily
C.happiness
D.angrily
瞳孔光反射消失()
A.34℃
B.33~32℃
C.32~31℃
D.26~25℃
E.20~18℃