one hose puts out water and another takes in water?

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onehoseputsoutwaterandanothertakesinwater?onehoseputsoutwaterandanothertakesinwater?onehoseputsoutwa

one hose puts out water and another takes in water?
one hose puts out water and another takes in water?

one hose puts out water and another takes in water?
一个水管出水,一个水管收水