1) probe-pointed hook
圆头钩(耳用)
2) common hook
圆头针钩
3) 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
4) ear hook
耳钩
5) hook foundry nail
铸模用钩头钉
6) grinding gauge
外圆磨床用钩形卡规
补充资料：圆利针
圆利针
九针之一，圆而且锐，针末微大针身较小。
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