环钩 meaning in English
circular groove
circular trench
eye hook
ring hook
Examples
- Vertical bucket elevator . link chain sling . parameters dimensions
垂直斗式提升机.链环钩参数尺寸 - Eye hooks , grade 5
5级环钩 - Forged steel shackles for general lifting purposes - dee shackles and bow shackles ; grade 6 - safety ; german version en 13889 : 2003
一般提升用锻钢带销u形环.固定d形环钩和弓形环钩. 6