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treadle-operated multiple spindle-wheel
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treadle-operated multiple spindle-wheel
Encyclopedia
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treadle-operated multiple spindle-wheel
脚踏纺车
通过脚踏曲柄驱动的绳轮,带动锭子旋转,将天然纤维原料拉伸加捻制成纱或线的装置。
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slideway
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sliding bearing test rig
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更新时间:2025/3/1 16:06:59