1) pivot lug
钩耳
1.
The serious wear of coupler thickness and crack in pivot lugs appeared in operation of 25K type passenger cars are analyzed.
对 2 5 K型客车运用中出现钩舌厚度严重磨耗和钩耳裂纹的现象进行了分析 ,并提出了改进建
2) ear hook
耳钩
3) ear-plate
耳环吊钩
4) hanger ear
吊钩耳环
5) coupler head upper pivot lug
上钩耳
6) coupler knuckle pin hole
钩耳孔
补充资料：钩钩
1.形容鼾声。 2.形容物体的弯曲。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条