相对磁导率远大于1的物质是顺磁物质。（）
参考答案：错
解析：相对磁导率远大于1的物质是铁磁物质。
水解机主轴传动端装于（）。
A、传动轴
B、减速机输出空心轴内
C、电机联轴器
D、支撑轴承座
— What did you say?
— So you _____________ to me. [ ]
A. won't listen
B. didn't listen
C. haven't listened
D. weren't listening
