、
1. The fan has high, medium and low power. (More or less air enters the combustion chamber).
风机有高、中、低三种功率。(多或少的空气进入燃烧室)
2. More or less air enters the bottom of the combustion chamber. (There are more holes or less holes)
多或少的空气进入燃烧室的底部。(那边的孔有多有少)
3. The diameter of the combustion chamber is larger or smaller. (Like the Mimi-Moto)
燃烧室直径较大或较小。(比如mini - moto的那种)
4. The jets of secondary air mix the smoke into the flame.
二次进入的空气使烟雾混入火焰中。