The false twist by the back roving guide in Siro spinning can affect the stability of yarn drafting and the evenness of the yarn.

赛罗纺配用的后导纱器对粗纱产生的假捻会影响细纱牵伸的稳定性和成纱条干。

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Finally, according to the guide of standard drafting, It was summarized the method of relative standards drafting in construction of spatial information system.

最后根据标准编写指南，提出空间信息系统相关标准草案的编写方法。

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"On websites, blogs and social network forums, many groups have provided template letters and resources for parents to use in drafting such requests, " read a memo from New York State Association of School Attorneys released this week to guide districts through the issue.

WSJ: Some NY parents to boycott new, harder state tests