原始字符串：{:1:wastewaterflowoptimization.:_:liquid | phase (II-) | billion (II-)_separate|_sample date_Rate | Percent_} { :_:chemical treatment indications:_:indications (elementsymbolcomposition): _: specific treatment indication| Category | Indication|_}

改写要求：将文本中的标签和信息整理为更正式的技术报告格式，部分要加入括号，并去掉下划线作为分隔，保留符号的连续紧密，保留关键类别词
user
```
{:1: Wastewater Flow Optimization. : : Liquid Phase (II-) | Billion (II-)_Separate | Sample Date | Rate | Percent_}
{: : Chemical Treatment Indications : : Indications (Element Symbol Composition) : : Specific Treatment Indication | Category | Indication |_}
```
assistant