【多选题】下列各项中,属于经济法律关系的客观体有( )
【单选题】对于低压配电网,配电容量在100kW以下时,设备保护接地的接地电阻不应超过( )。
【简答题】If you want to know his telephone number, you may ___________ the telephone directory.
【单选题】对于低压配电网,配电容量在100KW以下时,设备保护接地的接地电阻不应超过( 10)Ω。
【简答题】You can get a complete list from the c____telephone directory.
【单选题】Which of the following items is free in a hotel?
【简答题】In a hotel, which of the following would be suitable cost units and cost centres ?
【单选题】对于低压配电网,配电容量在100kW以下时,设备接地的接电电阻不应超过()Ω。
【简答题】telephone directory: a book that contains an alphabetical list of the names, addresses, and telephone numbers of the people in a particular town or area
【单选题】下列关于钢桩的焊接规定错误的是( )
A.
上下节桩焊接时应校正垂直度,对口的间隙宜为 2-3 mm