At the end of the work, inject wate

At the end of the work, inject water to rinse the pH adjustment liquid tank inside, outside and its cover.

Results (Chinese) 1:

在工作结束时，注入水冲洗 pH 调节液体罐体里面，外面和它的封面。

Results (Chinese) 2:

在工作​​结束时，注入水冲洗pH调节液罐内部，外部和它的盖。

Results (Chinese) 3:

在工作结束时，注入水冲洗液舱内的PH值调节液罐，外及其盖。