异步电动机定子铁芯是由0.35~0.5mm硅钢片冲压成带有齿和槽的冲片叠装而成。
参考答案：对
Swan. Lake is a famous ballet in four acts, ____ on a German fairytale. [ ]
A. is based
B. basing
C. based
D. bases
同时具有囊外韧带、囊内韧带和关节内软骨的关节是
A．肩关节B．桡腕关节C．下颌关节D．髋关节E．膝关节
