【单选题】电力线路过负荷保护的动作电流,按躲过线路的 整定。
【判断题】电力线路过电流保护的动作电流按躲过最大负荷电流整定。( )(1分)加油!必过!
【单选题】电力线路过电流保护的动作电流按躲过( )整定。
【单选题】Which of the following statement is NOT true according the powerpoint slides?
A.
It’s lucky to sweep the floor during the first five days of the Lunar New Year
B.
On the fifteenth day of the first lunar month, people often celebrate the Lantern Festival.
C.
The Chinese government now stipulates people have seven days off for the Chinese Lunar New Year.
D.
If a dish is broken, it’s vital to say “suei suei ping an” ,means every year will be safe and secure.
【判断题】电力线路过电流保护的动作电流按躲过最大负荷电流整定。( )(1分)
【单选题】It’s a dish which __________ of meat, potatoes, tomatoes and spices.
【判断题】磁粉检测适用于检测铁素体钢焊缝的表面缺陷。
【判断题】[判断题]电力线路过电流保护的动作电流按躲过最大负荷电流整定。()
【单选题】I can hardly say which dish is best –it’s simply a(n) _____ of personal taste.