| 摘要 |
PURPOSE:To obtain raw silk having excellent elongation, by reeling cocoon silk yarn from a reeling tank, and collecting, winding and freezing the reeled yarns. CONSTITUTION:Cocoon silk yarns are reeled from a reeling tank, collected, wound at a speed of usually <=100m/min, and frozen. A raw silk having an elongation of usually 20-25% can be produced by thawing the frozen yarn.
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