However, increasing the diameter of the dowel may reduce the stress slightly.
However, increasing the diameter of the dowel may reduce the stress slightly.
(2)垂直受力时：螺旋根柱侧方的应力随受力而往两侧增加。
However, increasing the diameter of the dowel may reduce the stress slightly.
(2)垂直受力时：螺旋根柱侧方的应力随受力而往两侧增加。