求翻译：为了满足控制方便，自动化程度高的要求，进给运动机控制系统，回程装置的运动以及工件的夹紧都是由PLC控制液压方向阀，完成工件的加紧，进给运动，回程，退刀。。是什么意思？

Order to meet the convenience, control and high degree of automation requirements, the feed movement control system, and return the device's movement and the workpiece clamping are hydraulic directional control valve is controlled by the plc, the completion of the workpiece to step up and feed motio

In order to meet easy to control, and high degree of automation to the control system to the campaign, the campaign, as well as return of the workpiece is clamped by PLC control hydraulic directional valve, the workpieces, stepped up to the campaign to return to, and knife. .

In order to satisfy the control to be convenient, the automaticity high request, the feed motion machine control system, the return trip installs the movement as well as the work piece clamp all is by the PLC control hydraulic pressure direction valve, completes the work piece the step-up, the feed

In order to meet the control, high degree of automation required, feed motion control system, the return movement of the device and clamping of the workpiece is PLC controlled hydraulic directional control valves, complete job, feed motion, return, lead ...

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