保险螺丝 meaning in English
screwgate
screwed collar
Examples
- 3 please screw down safety screw before installation , and screw down the component of pawl and rolling wheel anticlockwise according to opening direction of fingernail axis
3安装前请退出保险螺丝，按爪轴的开口方向将棘爪与滚轮组合件按反时针方向退出。