A crucial device of the equipment is infrared flame burner,which is a porous ceramic burner made of infrared radiation naterials that are mixed.是什么意思_A crucial device of the equipment is infrared flame burner,which is a porous ceramic burner made of infrared radiation naterials that are mixed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句