三相电压互感器二次熔丝熔断一相时电压表如何指示?
参考答案:如A相熔丝断,其电压指示情况如下。BC相电压正常,AC相电压等于AB相电压,等于1/2BC相电压。
护理环境包括的主要内容有()
A.医院规章制度介绍与执行
B.合理物理环境
C.良好护患关系
D.合理化学环境
E.防止院内感染
His play was popular and every time ______about it, he owed his success to the support of his friends.
A.talking
B.talked
C.to talk
D.when talking