1) door-clamp
门钩
2) portal hook for ladle
钢包龙门钩
1.
In order to overcome the limit of the lifting weight of the crane, by reasonably selecting the structure of the portal hook for ladle, reducing the its own weight, the need of increasing the tapping of the electric arc furnace is met and the purposes of decreasing the consumptions and increasing the benefits are reached.
为了克服起重机起重量的限制,对钢包龙门钩进行改造。
3) life hook
焦炉提门钩
4) Acanthobothrium xiamenensis sp. nov
厦门钩槽绦虫新种
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。