| 摘要 |
PROBLEM TO BE SOLVED: To provide a container with a sloped bottom from which as much as contents in the container (tank) can be simply sucked for the sake of saving. SOLUTION: In order to simply suck as much as contents in the container (tank), a bottom plate of the container (tank) is configured to be sloped, wherein the contents are made to flow to a lower place and sucked by a hollow tube.
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