介绍一种可在地面上操作即可摘钩的冷轧机支承辊换辊自动撞钩装置。
The article introduces a modified automatic hooking device for cold plate mills with which the hooking operation can be preformed on the ground.
这两种结构的摘钩器使用时，具有可延长子线寿命，提高摘鱼速度，保护鱼护等优点。
The hook releaser in this two structures can prolong the service life of the sub-line, increase the fishing speed and protect the fish tool.
介绍将计算机应用在动态轨道衡上，实现对列车的不停车、不摘钩连续动态自动称重计量。
The computer system is applied in dynamic railroad track scales to realize continuous automatic weighing meter for train without parking and unhook.
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