| 摘要 |
Elastic textile goods are manufd. from natural fibers, such as silk fibrin, protein fiber, fibrin fiber (silk, wool, cotton), or their mixt. Natural fiber-contg. filaments are used to strongly fix unidirectional twists and solve the twists to the opposite direction (right or left) until twisting is begun or they return to the original direction from the reversed twisted state. Above filaments are combined, in textile goods, for their returning power to be supported by adjacent filaments.
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