... 泵的几何抽气速率是指理论抽气速率，即曲轴每转气缸的理论抽气容积与转速的乘积，单位为US. 抽气效率efficiency of exhaust 最大抽气速率maximum volume flow rate ...
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本实用新型涉及一种空气压缩机，使之提高充气或抽气效率。
The utility model relates to an air compressor, which is used for improving air aerating efficiency or air pumping efficiency.
组合式空心转子由于轴头与转子体之间的结合面存在着渗漏，使泵的抽气效率性能下降，从而影响其在应用中的效率。
As there were leak on contact place between shaft and rotor body in built up hollow rotor, dropping discharg gas speed of pump and efficiency applied of oil sealed sliding vane rotary vacuum pump.
在试验的基础上建立了锥形三通抽气量与辅助管管径的数学模式，与孔板三通比较，锥形三通具有抽气效率高、动力消耗低等优点。
Based on the experiment, a mathematical model between the quantity of air drawing and the diameter of auxiliary pipe for the tapered t branch has been established.
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