短語(yǔ)詞組短語(yǔ)nc feed drive system 數(shù)控進(jìn)給系統(tǒng)machine tool feed drive system 機(jī)床進(jìn)給系統(tǒng)drive feed system 驅(qū)動(dòng)進(jìn)給系統(tǒng)direct drive feed system 直接驅(qū)動(dòng)進(jìn)給系統(tǒng)direct -drive feed system 直接驅(qū)動(dòng)直線進(jìn)給系統(tǒng)direct drive feed servo system 直接驅(qū)動(dòng)定位系統(tǒng) 返回 feed drive system