According to the ?80 cylinder block bore size process analysis and research,work out the ?80 boring and roll extrusion head used in boring and rolling at the same tine.是什么意思_According to the ?80 cylinder block bore size process analysis and research,work out the ?80 boring and roll extrusion head used in boring and rolling at the same tine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句