burner nozzle

例句：

1. 1. The engineercarefully inspected the burner nozzle before installing it.
   工程师在安装前仔细检查了燃烧器喷嘴。
2. 2.The technician replaced the burner nozzle with a new one.
   技术员用一个新的燃烧器喷嘴替换了旧的。
3. 3.The pilot light was out of the burner nozzle, so he had to replace it.
   飞行员火苗不在燃烧器喷嘴，所以他不得不更换它。