burner ring

例句：

1. 1. The engineer installed the new burner ring to improve efficiency.
   工程师安装了新的燃烧器环以提高效率。
2. 2. The old stove had a worn-out burner ring that needed replacing.
   旧火炉的燃烧器环磨损严重，需要更换。
3. 3. The technician carefully removed the burner ring and inspected the gasket for any signs of wear.
   技术员仔细地移除了燃烧器环，检查密封垫是否有磨损的迹象。