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该文对于一种新型的气力输送技术─—挤压流型气力输送的设备及有关技术性能做了较为深入的研究，并与其它气力输送技术做了对比。
In this paper, a new type of pneumatic conveying technology ─ ─ extrusion flow pneumatic conveying equipment and related technical performance made a more in-depth study and compared with other pneumatic conveying technology.