The paper presents the internal structures and performance features of the fluidized bed opposed jet mill based on the jet nozzles structure, impeller types, feeding inlet and bottom structure.
通过分析对撞式流化床气流粉碎机的喷嘴结构、分级叶轮型式、加料口位置及底部结构等，阐述了该型气流粉碎机的结构型式及特点。
Owners of larger jet planes, for example, need only submit their flight plan 24 hours in advance - as opposed to weeks in advance for smaller craft like single-engine planes.
比如，拥有较大飞机的人，只需要提前24小时提交他们的飞行计划——而不像单引擎飞机之类的较小飞机的拥有者那样需要提前好几个星期。
Question: When should I use DPTK as opposed to JET to write my m-2-t transforms?
问：何时应该使用DPTK而不是JET来编写模型到文本转换？
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