短語(yǔ)詞組短語(yǔ)direct drive feed servo system 直接敺動(dòng)定位系統(tǒng)Direct drive electric -hydraulic servo system 直敺電液伺服系統(tǒng)direct drive electro -hydraulic servo system 直敺式電液伺服系統(tǒng) 返回 direct drive servo system