separately drive

基本解释

The presser foot is separately driven by its own drive source, independent of the drive source of the needle bar.
所述压脚通过独立于所述针杆的驱动源的自身驱动源而独立地驱动。
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To this end, each drawing roller (2.1, 2.2) is associated with a separately controllable drive device (3.1, 3.2).
为此给每个拉伸辊（2.1、2.2）分配一个可单独控制的驱动装置（3.1、3.2）。
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They can be used separately; both can be chained together to create one large drive, or one can be used to back up the other.
它们可以单独使用，既可以链接在一起创建一个大的驱动器，或一个可以用来备份的。

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