firing level

• 燃烧面

firing level的用法和样例：

例句

1. The invention only uses a furnace end, and at least two ceramic plates compose the multiple firing levels, which can bake the food with different tastes at the same time.
   本发明只使用一个炉头，而且由至少两块陶瓷板组成多个燃烧面，可以同时烤多种味道不一的食品。