main hook load [机] 主钩起重量
main hook winch drum 主钩卷筒
Main hook lifting speed 主钩起升速度
cross needle and main hook 横竖针
main hook approach t 主钩上极限位置
Hook block for main 主要带钩滑车
main sling hook 主吊钩
main spring hook 发条钩
main lift hook block 主起重吊钩滑车
The lower part of the main hook is symmetrically hinged with the clothes hanging rod.
主挂钩下部与挂衣杆对称地铰接在一起。
The paper introduces the application of PLC in titanium smelting crane, in particular, the rising up and descending down of main hook by PLc.
介绍了可编程控制器PLC在钛冶炼生产中天车上的应用，主要阐述了利用PLC控制天车主钩的上升下降。
As an application developer, your main job is to provide a set of handlers that hook into the well-known system events to achieve desired application behavior.
作为应用程序开发人员，您的主要的工作是通过提供可钩挂到已知的系统事件的处理程序集来获得所需的应用程序行为。
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