针对传统泄油器现场使用存在的缺点，研制了新型旋转油管泄油器。
A new rotary tubing drain is developed in the light of the shortcomings of the traditional tubing drain.
在有杆泵系统中，经常采用油管锚定来改善工况，通过在管式泵的上方安装泄油器来改善油井施工作业时的工作环境。
In beam pump system, usually using tubing anchor to fix pump, and using bleeder Installed on the tubing pump to improve its working environment.
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