发电机的测温元件(热电偶式)是利用两种不同金属丝的接触点,在不同温度时所产生达到()的不同来测定温度的。
A、电动势;
B、电阻;
C、电容;
D、电感。
参考答案:A
George is going to talk about the geography of his country, but I’d rather he_______ more on its culture.
A.focus
B.focused
C.would focus
D.had focused
( )是大批量流水线上前后两批相邻加工对象投入或出产的时间间隔。
A.节拍
B.单位时间
C.节奏
D.定额时间