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。
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。
The driving and driven screw rotors are the most important components. The rotor profile and thermodynamic performance determine the pumping performance of pump.
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