When production has been complete,

When production has been complete, wash the circulation tanks with clean water by using a water hose to inject from the upper tank to the bottom.

Results (Chinese) 1:

当生产已完成时，通过使用水软管以注入从水箱底部到洗循环坦克用干净的水。

Results (Chinese) 2:

当生产已完成，通过使用水软管从上槽底部注入洗用干净的水的循环罐。

Results (Chinese) 3:

当生产完成后，用清水冲洗干净的水循环，用一个水软管从上水箱注入底。