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原文：
三螺杆泵的特点 1、定子与转子接触的螺旋封线将收入腔与排出腔xx分开，使泵具有阀门的隔断作用； 2、可实现液、气、固体的多相混输； 3、泵内流体活动时容积不发生变化，没有瑞流搅动和脉动； 4、弹性定子形成的容积腔能有效地降低输送含固体颗粒介质时的磨耗； 5、输入介地粘度可达50000Mpa·s含固量可达50%； 6、流量与转速正比，借助调速器可实现量的自动调节泵可以正反输送。 三螺杆泵具有以下长处： 1、和离心泵比拟螺杆泵无需安装阀们流量是不乱的线性活动； 2、和柱塞泵比拟螺杆泵具有自吸能力强、吸入高度强； 3、和隔膜泵比拟螺杆泵可输送各种混合杂质含有气体及固体颗粒或纤维的介质，也可输送各种侵蚀性物质； 4、和齿轮比拟，三螺杆泵可输送高粘度的物质； 5、和柱塞泵，隔膜泵及齿轮泵不同的是，螺杆泵可用于 药剂填充和计量。

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译文：
Characteristics of the three screw pump 1, the stator and rotor seal wire spiral contact chamber and discharge chamber of income completely separate, cut off the pump with valve function; 2, allows liquid, gas, solid multi-phase input; 3, pump fluid flow volume did not change when there is no turbulence stirred and fluctuation; 4, flexible form of the stator cavity can reduce the volume of transport medium containing solid particles of wear; 5, input referred to the viscosity of up 50000Mpa · s solid content 50%; 6, flow and speed in direct proportion with the amount of speed governor allows automatic adjustment of the pump can be both positive and negative transmission. Three screw pump has the following advantages: 1, and comparable to screw centrifugal pump without installing valve flow is not a linear activity disorder; 2, and the piston analogy with the self-priming screw pump strong, stronger and inhalation; 3, and comparable to diaphragm screw can transport all kinds of impurities mixed with gas and solid particles or fibers of the media, but also transport all kinds of corrosive substances; 4, and the gear analogy, three screw pump can transport high-viscosity material; 5, and piston pumps, diaphragm pumps and gear pumps is different, screw pump can be used for pharmaceutical filling and measurement.