screw pump 螺杆泵 ; [机] 螺旋泵 ; 三螺杆泵 ; 螺旋式泵
airtight screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵 ; 密闭式
Archimedean screw pump 螺旋泵 ; 阿基米德螺旋泵
reversible screw pump 可逆式螺杆泵 ; 可逆式螺杆
hyperbolic screw pump 双曲线式罗杆泵 ; 双曲线式螺杆泵
hermetic screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵 ; 密闭式
labyrinth screw pump 迷宫螺旋泵 ; 不易探索的领域螺旋泵
sealed screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵 ; 密闭式
trochoid screw pump 次摆线螺杆泵 ; 次摆线
trapezoid screw pump 梯形螺杆泵 ; 梯型螺杆泵
螺杆与泵体紧密贴合。
Field application demonstrates that the management level and economic efficiency of the screw pump production system would be improved by using the control chart.
现场应用表明,根据螺杆泵油井工况宏观控制图,可提高螺杆泵采油系统管理水平及经济效益。
These research results possess a certain reference value to the design and application of the screw pump.
这些研究结果对地面驱动螺杆泵的设计及应用有一定参考价值。
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