He invented an open stove, the Franklin stove, which gave more heat and wasted less fuel than a fireplace.

他发明了一种后来被称为富兰克林的开炉，这种炉与壁炉相比能产生更多的热量并消耗更少的燃料。

He invented an open stove , the Franklin stove, which gave more heat and wasted less fuel than a fireplace.

他发明了一种后来被称为富兰克林的开炉，这种炉与壁炉相比能产生更多的热量并消耗更少的燃料。