[生活需要] 上翻裝置 signalling device: 信號(hào)裝置acoustic, signalling device: 聲的automatic signalling device: 自動(dòng)信號(hào)裝置emergency signalling device: 事故訊號(hào)裝置light signalling device: 燈光信號(hào)裝置下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
