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1·In this paper, the problems met in designing, producing and use of the rotary-vane vacuum pump are discussed. The solution methods and the research direction are given.

本文论述了旋片真空在设计、生产和使用中存在的问题，提出了解决的方法和研究方向。

2·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.

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。

3·Rotary vane vacuum pump is the most vacuum equipment used in vacuum trade.

旋片式真空泵是真空行业中使用最多的真空获得设备。

4·At present, the most widely used in industry is the water ring vacuum pump and rotary vane vacuum pump and so on.

目前工业中应用最多的是水环式真空泵和旋片式真空泵等。

5·The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.

今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。

6·The utility model relates to a rotary-vane vacuum pump, which provides a column spiral torsional spring which is used for replacing a column spiral compressing spring.

本实用新型涉及旋片式真空泵，提供一种圆柱螺旋扭转弹簧，用它取代圆柱螺旋压缩弹簧。

7·It is important to solve the oil leak for the rotary vane vacuum pump.

解决旋片真空泵漏油是重要的。