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collar nut
archit. 环形螺母
dril. 圆柱螺母
mech.eng. 凸边〔缘〕螺帽
tech. 接头螺帽; 环形螺帽; 接头螺母; 圆缘螺母; 圆缘螺帽; 凸缘螺帽; 凸边螺帽
collar nut: 9 phrases in 6 subjects
Architecture1
Automobiles2
Drilling1
Mechanic engineering2
Technology2
Wind Energy1