From falls screw jack's thread non-self-lockingaction, is loaded with the brake.
自降螺旋千斤顶的螺纹无自锁作用,装有制动器。
2
The ordinary screw jack depending on the thread self-lockingaction support heavy item, the structure is simple, but the transmission efficiency is low, the return trip is slow.
普通螺旋千斤顶靠螺纹自锁作用支持重物,构造简单,但传动效率低,返程慢。
3
If the character has eyes, the eyes should move first, locking the focus of its action a few frames before the head.