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hand-operated spindle-wheel
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hand-operated spindle-wheel
Encyclopedia
理学
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释
hand-operated spindle-wheel
手摇纺车
通过手摇转动纺车绳轮,带动锭子旋转,利用旋转抽丝延长,将丝、毛、棉、麻等纤维原料制成纱或线的工艺装置。
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Hofstadter ellipse
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Hofstadter G-sequence
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更新时间:2025/7/29 19:41:25