adjoining treatment field的用法和样例：
- Activated sludge treatment is one of the most widely used methods in thewastewater treatment field at present.
- With the rapid develop of information technology,the information tidal wave also sweep the medical treatment field.
- The result shows that CBR is very suitable for analyzing experimental data of the water treatment field, where there is no complete theory.
- Biological technology of denitrification and phosphorus removal has been focused on in wastewater treatment field in recent years.