probe-pointed hook

发布时间：2026-02-02 03:28:16

1)probe-pointed hook,圆头钩(耳用)2)common hook,圆头针钩3)pivot lug,钩耳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

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

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