对齿轮、带轮、轴承和联轴器等传动零件作轴向固定时，经常利用（）固定方法。
参考答案：轴肩
The art show was ______ being a failure; it was a great success.
A．far from
B．along with
C．next to
D．regardless of
圆管与圆锥管水平相交，其相贯线为什么？
