释义 n.防松螺母；自锁螺母 实用短语galvanized locknut镀锌锁母,镀锌锁紧螺母switch locknut开关锁紧螺母flange locknut凸缘锁紧螺母adjustment locknut调整止动螺母pulley locknut带轮防松螺帽conduit locknut制管圈,翻译,制管圈英语rod locknut活塞杆锁紧螺母tie rod locknut系杆防松螺母differential locknut差速器防松螺母