For the feed movement , we will adopt way of two electric motors and electric control.

进给方面我们将采用两个电动机加丝杆电气控制的方式进给.

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The machining accuracy is greatly affected by the feed movement precision of the NC machine.

数控机床进给运动的精度对零件的加工精度有极大的影响.

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When drilling deep holes, the feed movement should be released from time to time.

在钻深孔的时候,有时必须放松进给运动.

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