main burner meaning in English

主喷嘴
主燃料喷咀
主燃烧器

Caution : when gas shutoff operates , it shuts off gas supply to both main burner and pilot
警告：当燃气关闭阀发生作用时，它同时关闭了通向主燃烧头和引火器的燃气。
Provide detailed information on how the main burner and dryout burner are controlled , including step - by - step procedure for fuel and air control . list out which valves are activated in the procedure
提供控制主烧嘴和干燥烧嘴的详细信息，包括燃料与空气的逐步控制步骤。列出在步骤中哪个阀门被触发。