带电的电压互感器和电流互感器的二次回路均不允许开路。
参考答案:错
解析:
专业类型:继电保护
设备类型:变压器
难度等级:一般
电压等级:220kV
知识点:CT、PT
-When did you join the army(军队)?
-Last year. I __________ the army since I finished high school.[ ]
A. was
B. joined
C. have joined
D. have been in
绝经过渡期激素替代治疗以下列哪一项治疗为主
A.单纯孕激素B.以上都不是C.雌孕激素周期序贯D.单纯雌激素E.雌孕激素连续联合