常見例句雙語例句The display with LED video louver window mode consists of computer system, frame controller, receiving board, scanning board, LED displaying unit, supporting rack, power source and lines;這種LED百葉窗式顯示屏 由電子計(jì)算機(jī)系統(tǒng)，幀控制器，接收板，掃描板，LED顯示單元，支撐架，電 源及連線組成；ip.com 返回 louver board