| 摘要 |
A tank for storing liquid products, particularly a large capacity tank (1), comprises a bottom (5), whose centre (6), is at a level below the level of t he edge of the bottom. Drainage channels (7), consisting of a ramp (8), as floo r with lateral plates (10), as sides, bring the undesirable materials to the edge of the tank where they can be drained out of the tank through drainage tubes.
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