但常见的情况是，机器中可能没有任何可用的驱动器托架(笔记本电脑更是如此，它通常仅允许一个内置硬盘驱动器)。

But often, you may not have any free drive bays in your case (this is particularly true of laptops, which typically only allow one internal hard drive).

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机器有两个触摸屏，分别用于整经托架和经轴头架，由PLC提供整体控制。整经速度由PLC向驱动器传送。

The machine has two touch-screens, for the warping carrier and beaming head-stock, with overall control from a PLC that sends the warping speed to the drive.

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