safety pin
【机械工程】带有相互结合构件的安全离合器【机械工程】带相互嵌入的保险抓具
safety clutch with interengaging members
暂无补充释义。
相关词条
occupant safety
factor of safety
safety means along the route
safety interlock
margin of safety
Safety first, precaution crucial.
motor vehicle occupant safety