The money we raised for the homeless ______________ 2,000 dollars.
A.
added
B.
added to
C.
was added up
D.
added up to
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【简答题】一台45SZ01型电磁式直流伺服电动机,其主要技术数据如下:额定转矩T N =0.0334N·m,额定转速n N =3000r/min,额定功率P N =10W,额定电枢电压U aN =24V,额定励磁电压U fN =24V,额定电枢电流I aN =1.1A,额定励磁电流I fN =0.33A。若忽略电动机旋转时本身的阻转矩,采用电枢控制方式,在输出轴上带有负载转矩T L =0.0167N·m时,...