Both test results and application show that the large single screw pump has reached the design requirements. It has the features of reasonable parameters, advanced structure and reliable performance.
2
该实用新型设计新颖、结构紧凑，适用于各种单螺杆泵采油系统。
The utility model has the advantages of novel design and compact structure, being suitable for various single-screw pump oil extraction systems.
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