The flame holder made of dense cordierite was installed in the quarter of the combustor.The premixed gas of methane and air was ignited just downstream of the flame holder to form a flat flame.是什么意思_The flame holder made of dense cordierite was installed in the quarter of the combustor.The premixed gas of methane and air was ignited just downstream of the flame holder to form a flat flame.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句