短語詞組短語key push button switch 鍵按鈕開關(guān)key telegraph button 電報局設(shè)備中用以快速而容易地接通和斷開回路的金屬杠桿key brick button 按鈕key -button type accordion 鍵鈕式手風(fēng)琴Key operated button 鎖頭型按鈕piano -key push button 琴鍵式按鈕key operated push button 鑰匙操作式按鈕Key or Mouse Button 鍵盤或鼠標(biāo)按鈕 返回 key button