| 摘要 |
PROBLEM TO BE SOLVED: To provide a water tank which facilitates correct positioning of its blocks to each other, and contributes to shortening of a construction period. SOLUTION: The water tank is formed by combining a plurality of main body blocks and gable wall blocks with each other so as to define an inner water storage space. Herein each gable wall block has a recessed seat portion, and each main body block has a projective receiving portion that is engageable with the seat portion of the main body block. COPYRIGHT: (C)2006,JPO&NCIPI
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