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。

youdao

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。

youdao