| 摘要 |
A frame floor pump includes a cylinder having a first end and a second end opposite to the first end, an extendable pump unit having an outer pipe with a first end installed to a side of the second end of the cylinder and a second end, an inner hose disposed through the second end of the outer pipe and received in the outer pipe and a nozzle provided to couple to an end of the inner hose against the second end of the outer pipe; wherein the inner hose of the extendable pipe unit could extend to various lengths from the outer pipe of the extendable pipe unit while operating the frame floor pump; while the frame floor pump is collapsed and not used, the inner hose could be received in the outer pipe so as to be easy to stow.
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