亞洲謹台材料科技有限公司

利用高速旋轉的轉子把動量傳輸給氣體分子，使之獲得定向速度，

從而被壓縮、被驅向排氣口後為前級抽走的一種真空泵。

A vacuum pump that uses high-speed rotating rotor to transfer momentum to gas molecules to obtain a directional velocity, then compressed and driven toward the exhaust port to be pumped away by the preceding stage.