短語(yǔ)詞組短語(yǔ)direct drive feed servo system 直接驅(qū)動(dòng)定位系統(tǒng)Direct drive electric -hydraulic servo system 直驅(qū)電液伺服系統(tǒng)direct drive electro -hydraulic servo system 直驅(qū)式電液伺服系統(tǒng) 返回 direct drive servo system