干式真空泵 dry vacuum pump ; GZ-DF ; GZ-DCY ; GZ-DQ
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·2,447,543篇论文数据，部分数据来源于NoteExpress
全旋涡旋干式真空泵，属于真空获得设备领域。
The invention relates to an all volution rotary drying vacuum pump, belonging to the vacuum production equipment field.
介绍了一种新型的特殊爪型干式真空泵的容积利用系数。
Volumetric efficiency of a new claw type dry vacuum pump was introduced.
在欧美和日本等发达国家，螺杆型干式真空泵在很多领域已经越来越多的代替了传统的有油泵。
In many developed countries, such as America, Japan, conventional oil vacuum pump has been replaced by dry screw vacuum pump in more and more fields.
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