If transition at the shaft collar of a circular shaft adopting closedAngle will bring biggish stress concentration as bearing load.
圆轴轴肩处若采用尖角过渡，承载时将引起较大的应力集中。
2
In other words, an opening firstName element is never closed or an opening Angle bracket is missing.
换句话说，firstName元素总是缺少结束标识，或缺少开头的尖括号。
3
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.