| 摘要 |
An under cover for covering a base face of a vehicular body, includes: 1) a dent part; and 2) a protruding part. The dent part and the protruding part are formed alternately in series on a lower face of the under cover in at least a forward-rearward direction of a vehicle. The dent part and the protruding part have a cross section formed into a serial curved face.
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