你们想想看，向下拉拽天花板的张力。

Think about it, it's pulling from the ceiling.

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软件方面完成了数据采集程序以及数据传输程序设计，实现了刮板输送机链条张力的实时检测。

The software system designs the program of data gathering and data transmission, and realizes the measure of the chain tension.

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模拟结果表明，前后张力不仅具有矫正板形功能，还具有微调板厚作用。

The results show that back and front tension net only possesses the function of controlling sheet shape but also can adjust sheet thickness in the process.

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