Main function: One-turn-three function Slant-stress design: Many dynamic experiments have shown that sockets in a proper angle can reduce self-stress and avoid virtual connection and fire striking.

• 主要功能:一转三功能仰角受力设计:经过大量的力学实验,选择最佳倾斜角度,减缓重力作用,避免虚接打火。