| 摘要 |
In the present invention, a pump includes a cylinder, a plunger for compressing air in the cylinder, a reservoir formed around the cylinder so as to define a space for storing a portion of the compressed air, a valve device installed in the cylinder for permission of the compressed air from the cylinder into the reservoir and a base connected with the cylinder for stabilizing the pump. The base includes two pedals extending in opposite directions from the cylinder.
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