| 摘要 |
The present invention concerns a support arranged at the bottom of a tank subjected to thermal expansion and contraction, comprising a block (1) in contact with the bottom of the tank, means (3-5) being arranged to prevent movement at the tank with respect to the block (1) in a horizontal direction, wherein said means comprises a rib (5) arranged in one of said bottom of the tank and block (1) and a corresponding groove (4) in the other said bottom and block (1).
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