Upper cutter roller holder and upper line pressing roller holder are controlled pneumaticaly, so there is no need to cut paper board and stop for order change.是什么意思_Upper cutter roller holder and upper line pressing roller holder are controlled pneumaticaly, so there is no need to cut paper board and stop for order change.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句