The ratio of gathers would have to be assessed at the pattern stage to ensure accurate gathering and joining.

为保证打褶和缝纫的精确度，在制作样板阶段必须估计打褶的比率。

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The ratio of gathers would have to be assessed at the pattern stage to ensure accurate gathering and joining.

为保证打褶和缝纫的精确度，在制作样板阶段必须估计打褶的比率。

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