June 1, 2017
An engaging member according to one embodiment of the present invention includes a plate-like plate portion having a wrinkled portion formed by repeated acid and bone, the structure being inserted into a permeable space between the blocks. The corrugated portion is provided with a plurality of layers in an outward direction from the center of the rolled plate portion of the corrugated portion, so that permeable voids in the up-down direction can be formed.
Construction, transportation
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present invention includes
plate-like plate portion
rolled plate portion
wrinkled portion formed
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