In this paper, the pumping principle, definition, performance of dry vacuum pump and its applications are described. Then briefly introduce the method to pump the particulate material with dry pump.
本文介绍了干式真空泵的抽气原理、定义和特点及其应用，最后简述了干式泵抽除颗粒物质的措施和方法。
High vacuum and the average pumping method are applied for the manufacturing of stable products and improving the quality and productivity.
真空度高，采用平均抽法，可使产品稳定，提高品质及产能。
A new testing method of vacuum-pumping for bulkiness property of three-dimensional crimp polyester staple fibers was introduced.
介绍了一种新的测试三维卷曲涤纶短纤维的膨松性能的方法——抽真空法。
应用推荐