| 摘要 |
<p>A system includes a first source containing a liquid fuel, a second sourc e containing a gaseous fuel, and a combustion burner connected to the first and second sources and selectively in fluid communication with the liquid fu el and the gaseous fuel to receive the fuels. The burner is capable of switc hing between combustion of the liquid fuel and combustion of the gaseous fue l without modification to the burner or the system.</p> |
