【单选题】Which is a function of the voltage regulators used with AC generators?
A.
To cut out generators when they are no longer required
B.
To cut in additional generators automatically as required
C.
To divide the KW load equally between generators operating in parallel
D.
To divide reactive current between generators operating in parallel
【单选题】听力原文: For most people, reading a newspaper has become a habit passed down from generation to generation. I'm sure in a hundred years we will still be reading newspapers. What basically makes news is w...
A.
It will cover more big political 'affairs.
B.
It won't be printed in publishing houses.
C.
It will cover more scientific research.
D.
It will cover less disasters.
【多选题】Thumb up means__________ in different countries.
【单选题】、对供应商的供货、质量、价格等进行表现跟踪、考核和评比是属于供应商评审中的( )。
【判断题】滚动轴承具有摩擦系数小、结构紧凑等优点,是被广泛使用在机器或部件中的标准件。
【单选题】Current changing in direction and rising and falling in value is _____. A.A.C
【判断题】Thumb-up means differently in different countries.
【判断题】滚动轴承具有摩擦系数小、结构紧凑等优点,是被广泛使用在机器或部件中的标准件。
【多选题】Thumb up means ——in China
【多选题】中国人民在长期奋斗中,培育、继承、发展起来的伟大民族精神,包括