During the make up process of knitted goods, sewing holes which will impair the quality of product always appear.

针织物在缝制过程中常常出现针洞，将直接影响产品的质量。

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During the make up process of knitted goods, sewing holes which will impair the quality of product always appear.

针织物在缝制过程中常常出现针洞，将直接影响产品的质量。

youdao