短語(yǔ)詞組短語(yǔ)cordless switch board 無(wú)塞繩交換機(jī)cordless s switch board 無(wú)塞繩交換機(jī)cordless telephone switch board 無(wú)塞繩電話交cordless switch -board 無(wú)繩交換臺(tái);翻譯cordless system trunk board 無(wú)塞繩式中繼臺(tái) 返回 cordless board