这是工作的速度控制器。

This is the job of the speed controller.

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速度控制器3。

Speed Controller 3.

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速度控制器4。

Speed Controller 4.

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建议总是用流量控制器限制速度。

It is always advisable to limit speed with flow controllers.

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这样，系统具有速度和位置两种控制器。

The system thus had both velocity and position control.

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这样，系统具有速度和位置两种控制器。

The system thus had both velocity and position control .

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这样，系统具有速度和位置两种控制器。

The system thus had both velocity and position control .

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