制动电阻
参考答案：
电气制动接入的电阻称为制动电阻。
肠重复畸形的好发部位为（）
A.十二指肠
B.胃
C.食管
D.空回肠
E.结肠
—Excuse me. May I know which class you are in?
—Of course. I'm in_________.[ ]
A. 5 Classes. 3 Grades
B. 3 Crade,5 Class
C. Class 5. Grade 3
D. the 3rd grade and the 5th class
