The utility model belongs to the torque testing device of the screw pump well on an oilfield pump recovery wellhead.
本实用新型属于油田机采井口上的螺杆泵井扭矩测试装置。
The spring balancer can ensure the operation space and improve operation environment, and is suitable for hanging pneumatic tool with installation torque testing function.
本发明的弹簧平衡器可以实现作业空间等的确保及作业环境的改善，适用于具有安装转矩检测功能的气动工具的吊挂。
The spring balancer can ensure the operation space and improve operation environment, and is suitable for hanging pneumatic tool with installation torque testing function.
本发明的弹簧平衡器可以实现作业空间等的确保及作业环境的改善，适用于具有安装转矩检测功能的气动工具的吊挂。
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