The operational height of the combine header was adjusted by mechanical profiling organization or manually, which had less accuracy and limited real time, and shortage of acquiring and analyses data.

传统联合收割机割台利用机械仿形机构或人工方法来调整工作高度，其实时性和准确性较差，且不能进行割台高度数据的获取和分析。

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The experiment shows that the minimum spouting velocity was related to the particle sizes, bed height, and operational temperatures.

实验表明，双喷嘴矩形喷动床的最小喷动速度与颗粒粒径、床层高度及操作温度有关。

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The shunt board height has a little influence on both operational modes.

分流板高度对两种运行方式的影响不大。

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