【简答题】公路低压配电系统中的接地的形式有( )。
【判断题】传感器机械部分存在间隙、摩擦及松动会造成传感器迟滞
【单选题】低压配电系统中,下列哪种系统是错误的?()。
【单选题】There’s____recently.
【简答题】低压配电系统电能质量的检测都包括哪些内容?
【单选题】Recently, there’s been much theft in the schools. What security measures shall we take then?
A.
最近,校内发生了盗窃事件,应该采取什么防范措施?
B.
最近,校内盗窃事件不断,怎样防范才是适当的?
C.
最近,校内多次发生盗窃事件,校方该采取什么措施?
D.
最近,校内多次发生盗窃事件,可以采取什么防范措施?
【单选题】Recently, there’s been much theft in the school. What security measures shall we take then?
A.
We can install cameras and set up police line for you.
B.
We can install infrared surveillance cameras and intrusion alarms for you.
C.
We can install alarming system for you.
D.
We can equip techniques and electronic system for you.
【单选题】在低压配电系统中,我国低压配电系统应用最为普遍的是( )系统。
【简答题】Read the following passage and choose the best answer to each question.Interview: for or against? It often happens that a number of applicants with almost identical qualifications and experience all a...