短語(yǔ)詞組短語(yǔ)gas s explosion 瓦斯爆炸gas burning explosion accident 瓦斯燃爆事故gas s explosion tube 氣體爆燃管gas s explosion prevention 防止瓦斯爆炸off -gas system explosion 排氣系統(tǒng)爆炸inert gas prevent explosion system 煙氣防爆系統(tǒng)fire -gas-explosion 爆炸氣體爆炸gas explosion prevention 防止瓦斯爆炸flue gas explosion 煙氣爆炸 返回 gas explosion