问题
单项选择题
相邻线路故障可能引起同步电机类型分布式电源并网点开关误动时，并网点开关应加装（）保护
A、电流方向
B、防逆流
C、过电压
D、95%距离
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
相邻线路故障可能引起同步电机类型分布式电源并网点开关误动时，并网点开关应加装（）保护
A、电流方向
B、防逆流
C、过电压
D、95%距离
参考答案：A
| 从方框中选择合适的选项完成短文。 | |
| Last Sunday My class went to the Central Zoo last Sunday. It was our first journey and we were all very happy. 1 Halfway to the zoo we stopped at a station because the driver of the bus wanted to check(检查)the bus. 2 We soon forgot about the time. I was buying chips when I suddenly saw our bus leaving without us! My friend and I ran outside and started shouting, but it was no use. 3 Fifteen minutes later I decided to call my parents. 4 - Our bus was coming into the station. 5 We were so happy! When we got on the bus? our teacher was angry. Luckily, she was also glad to see us. | |
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