| 摘要 |
PROBLEM TO BE SOLVED: To provide a grating gentle to the environment by forming so as to have water storage efficiency to a joint type water permeable grating, utilizing collected water, softening heat island phenomenon and lowering temperature on the road surface. SOLUTION: The grating is so constituted that a joint type water permeable grating body having no hole for draining and overflowing is filled with a water permeable filler and that it has water storage efficiency. COPYRIGHT: (C)2005,JPO&NCIPI
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