不管何种类型的电动机都有转子和定子这两大部件。
参考答案:对
— Shall we go there tomorrow or the day after tomorrow?
— _____________. [ ]
A. That makes no difference
B. That makes no differences
C. That doesn't make it different
D. No differences
男,45岁,提重物后突然出现右臀部向下放射性触电样疼痛1天,咳嗽或屏气时加重。体检:右腰4~5棘突旁压痛,右Lasegue征阳性,颏胸试验阳性,右踝反射减低。诊断可能是
A.坐骨神经炎
B.腰椎间盘突出症
C.腰肌劳损
D.髋关节炎
E.骶髂关节病