滅火劑fire extinguishant: 滅火劑foam extinguishant: 泡沫滅火劑gas extinguishant: 氣體滅火劑extinguishant control unit: 滅火劑控制裝置fire extinguishant agent: 滅火劑下載手機詞典可隨時隨地查詞查翻譯