| 摘要 |
An article 1A is formed with a pair of first longitudinal fold guiding lines 15 and a pair of second longitudinal fold guiding lines 16. A first zone 17 defined between the first fold guiding lines 15 is tucked inwardly of the article 1A along the first fold guiding lines 15 and a second zone 18 defined between the second fold guiding lines 16 is tucked inwardly of the article 1A along the second fold guiding lines 16. Leg-holes 14 remain opened.
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