screw-driven syringe pump 螺旋传动注射泵 ; 螺旋注射泵
surface driven screw pump 地面驱动螺杆泵采油
surface-driven screw pump 地面驱动螺杆泵
surface driven screw pump well 地面驱动螺杆泵井
surface driven screw pump system 地面驱动螺杆泵采油系统
Active outside the side out of the pump screw driven by a prime mover.
一端伸出泵外的主动螺杆由原动机驱动。
It is primarily fixed in the bushing in the pump (pump tank) and placed in the pump cylinder screw, and with the active engagement of the two driven screw formed.
它主要是由固定在泵体中的衬套(泵缸)以及安插在泵缸中的主动螺杆和与其啮合的两根从动螺杆所组成。
The driving and driven screw rotors are the most important components. The rotor profile and thermodynamic performance determine the pumping performance of pump.
干式真空泵中最重要的部件就是阴、阳螺杆转子，转子型线及其热力学性能决定了泵的抽气性能。
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