The so-called furnace I was referring to the wood stove pay the entrance, some with gas stove, kitchen stoves refers to the air intake, ignition switches at the rear.

• 所谓炉口原本是指炉灶的材薪入口，一下带瓦斯炉而言，则是指厨灶的进气口，位于点火开关的后方。