Safe and reliable: joint design, taking into account the friction on the screw and self Bowl gravity, so that a reliable self-locking joint capabilities.

安全可靠：接头设计时，考虑到上碗扣螺旋摩擦力和自重力作用，使接头具有可靠的自锁能力。

youdao

Safe and reliable: joint design, taking into account the friction on the screw and self Bowl gravity, so that a reliable self-locking joint capabilities.

安全可靠：接头设计时，考虑到上碗扣螺旋摩擦力和自重力作用，使接头具有可靠的自锁能力。

youdao