the sewage treatment facilities

• 污水处理设施

the sewage treatment facilities的用法和样例：

例句

1. The wastewater treatment system should be properly maintained.
   污水处理设施必须妥善维修。
2. Sewage treatment fees collected shall be used for the construction and operation of the facilities for central treatment of urban sewage and may not be used for other purposes.
   收取的污水处理费用必须用于城市污水集中处理设施的建设和运行，不得挪作他用。