依照您对本公司J .先生的要求，我们已另邮寄去10支的三合股纱样品。

In compliance with your request to our Mr. J., we have pleasure in sending by separate post a sample of our 10s. 3-ply yarn.

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这些简单的分析只适合于由两根单纱合股成的纱线。

This simple analysis holds only for two-ply yarns.

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对确保合股无捻粗纱络纱过程线密度稳定及减轻工人劳动强度有重要意义。

This is very important to ensure constant linear density of assembled roving in its winding process and reduce the labor intensity of operators.

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