Also known as the hook height limiter.
也称吊钩高度限位器。
The hook height measurement is the most basic and important part of Comprehensive Mud Logging Unit and its software design is complex.
在综合录井仪中，大钩高度的测量是最基本、最重要的，但其测量软件设计比较复杂。
Single hook lifting height is to 25 meter, and double hook is to 12 meter.
单勾提升高度最高可至25米。双钩最高可提升至12米。
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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