In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle.
在这一阶段，吊架固定在吊车的挂钩上，船体完全脱离海床，在水下被转移到吊篮里。
Top it off with the wooden crane with hook and swiveling action.
顶它关闭的木制起重机吊钩和旋转动作。
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。
It's estimated that the claw hook of the cargo crane can't heave the heavy lumber up.
据估计，该货物起重机爪形钩吊不起那些沉重的木材。
QB type explosion-proof hook bridge crane work level is intermediate.
QB型防爆吊钩桥式起重机工作级别为中级。
Application of 3d hook positioning and measuring device to metallurgical crane.
吊钩三维定位检测装置在冶金起重机上的应用。
This paper gives detailed and accurate analysis to hook gliding at heavy load for gantry crane with the basic principle of electric haulage.
文章运用电力拖动的基本原理对港口门机生产实际中出现的重载溜钩现象进行了详细准确的分析。
Generally, the crane driver depend on the experience and sight to set the height of the hook, which have some disadvantages of low precision and waste the human resource.
通常情况下，天车司机是凭借着经验和肉眼观察来确定吊钩高度的，这样做的缺点是精度低，且造成了人力资源浪费。
Generally, the crane driver depend on the experience and sight to set the height of the hook, which have some disadvantages of low precision and waste the human resource.
通常情况下，天车司机是凭借着经验和肉眼观察来确定吊钩高度的，这样做的缺点是精度低，且造成了人力资源浪费。
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