soil disposal system

例句：

1. 1. The soil disposal system is designed to reduce the amount of wastewater entering the environment.
   土壤处置系统旨在减少进入环境的废水量。
2. 2. The construction of this system requires careful planning and implementation.
   该系统的建设需要仔细规划和实施。
3. 3. The soil disposal system has greatly improved the quality of our agricultural land.
   土壤处置系统大大提高了我们农业用地的质量。