以下为句子列表：
英文: Abstract: “High pressure oil shock” has been found to be the major source of shock noises in the rotary piston vacuum pumps.Recently,we found that the oil shock may shift forward.Here,the high pressure oil-shock and the formation mechanism of three other
中文: 文摘:“高速油液冲击”是滑阀真空泵冲击噪声的主要激励源，通过试验发现了这一冲击的前移现象，并进一步分析了高速油液冲击和其他三种冲击的形式，为降低滑阀真空泵噪声提供了可靠的依据。
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英文: According to the law of mass moment of inertia and of momentum moment, the conditions for the complete dynamic balance of rotor inertial forces and moment of inertia in the rotary piston vacuum pump are put forward, with the rotor movement in single cylin
中文: 根据质量矩定理和动量矩定理对单缸滑阀真空泵的转子运动状况进行了分析，分别提出了转子惯性力和惯性力矩完全动平衡的条件。
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英文: The series H·2H·H3 rotary piston vacuum pump is a sort of vacuum pro-duction equipment suitable for pumping ordinary gase and condensable gases(when a gas ballast used).
中文: H3型系列滑阀式机械真空泵是抽除一般性气体或含有少量可凝性气体（此时应使用气镇）的真空获得设备之一。
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英文: With the tenet of updating designing,keeping improving and customer being supreme,recently SVEC has developed more and more vacuum products,such as 2X series rotary vane vacuum pumps,H and H3 series rotary piston vacuum pumps,2SK SERIES WATER RING VACUUM
中文: 秉承本公司一贯的设计理念和精益求精，用户至上的经营宗旨，本公司近来又先后开发了和国内同类主导产品具有良好互换性的2X系列旋片真空泵，H和H3系列滑阀真空泵、2SK系列水环真空泵以及罗茨滑阀真空机组、罗茨旋片真空机组、罗茨水环真空机组等系列真空获得产品，推出市场以来，倍受用户关注。
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