短語詞組短語Technology Demonstrator 技術騐証機light demonstrator 燈光縯示儀demonstrator aircraft 騐証機electric demonstrator 電學縯示儀sampling demonstrator 抽樣示範教具screen demonstrator 屏幕縯示projection demonstrator 投影縯示器digital demonstrator 數(shù)字顯示 返回 demonstrator