relief spring

例句：

1. 1. The relief spring is located in the park's central area.
   减压井位于公园的中心地带。
2. 2. The stress relief well has been proven to be effective in reducing stress levels.
   减压井已被证明能有效降低压力水平。
3. 3. The relief spring was discovered by a local resident who noticed a significant decrease in water pressure.
   减压井是由一位当地居民发现的，他注意到水压显著下降。