列车辅助逆变器输出电压有（）种。
参考答案：2
KDJ指标的计算公式考虑的因素是（）。
A.开盘价、收盘价
B.最高价、最低价
C.开盘价、最高价、最低价
D.收盘价、最高价、最低价
---- _____? ---- You were saying you sold the house and left your hometown.
A．How come
B．Like what?
C．Do you have the time
D．Where was I
