Firedamp flame propagation rules under obstacles are researched during the gas explosion process.The results show that obstacles have an important affection to the gas flame propagation speed.是什么意思_Firedamp flame propagation rules under obstacles are researched during the gas explosion process.The results show that obstacles have an important affection to the gas flame propagation speed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句