flow tank的用法和样例：
例句
- Build a depositing tank on-site to deposit the sewage water before it is emitted into the existing drainage system.
现场砌筑沉淀池，以便将废水沉淀后再排至已有的排水系统中。 - So it is feasible and meaningful to make the numerical simulation on the settling tank or other hydraulic building in the design of wastewater treatment project.
可见，在污水处理工程的设计中，对沉淀池或者其它水力构筑物进行数值模拟是可行的，并且也是很有意义的。
