As to the serious problems of yarn defect in the hollow leg of the full closed flyers on the roving frames, idea of semi-closed flyers is put forth for consideration.
针对目前粗纱机用全封闭锭翼空心臂内积存的纱疵非常突出这一问题，提出了半封闭锭翼这一概念。
Reasons of entanglement defect of compound yarn in double twisting process is analyzed. Improving measures and regular operating method of equipment maintenance is proposed.
分析了倍捻加工过程中股线产生扭结疵点的原因，提出了设备保养维修方面的具体改进措施和规范的操作方法。
Reasons of entanglement defect of compound yarn in double twisting process is analyzed. Improving measures and regular operating method of equipment maintenance is proposed.
分析了倍捻加工过程中股线产生扭结疵点的原因，提出了设备保养维修方面的具体改进措施和规范的操作方法。
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