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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This geological engineering gadding car uses dual power drive, the power of the vehicle and the power for the special device of the drill work separately.

本地质工程钻机车采用双动力驱动，汽车动力与钻机专用装置动力分离工作。

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This geological engineering gadding car uses dual power drive, the power of the vehicle and the power for the special device of the drill work separately.

本地质工程钻机车采用双动力驱动，汽车动力与钻机专用装置动力分离工作。

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