flame adjustment wheel
/ˈfleɪm ɐdʒˈʌstmənt ˈwiːl/
n
English · flame adjustment wheel中文 · 火焰调节轮Español · ajuste de la llamaFrançais · molette de réglage de la flamme
意味：Wheel that adjusts the flow of gas escaping from the tank thus increasing or decreasing the size of the flame.