| 1 | This system uses pump as control unit to achieve automatic irrigation. | |
| 2 | Show me how to use this water pump. Won't you? | |
| 3 | The teacher drew an analogy between the human heart and a pump. | |
| 4 | Pooh, Piglet and Tigger are repairing a pump. | |
| 5 | Our sump pump shut off and the basement filled with water. |
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