She improved on the cotton fluffer and successively made the most advanced textile tool of the time, a pedal spinning wheel with three spindles.
她改进了弹棉花的弹弓，并成功地制成了当时世界
进的纺纱工具——三锭脚
纺棉车；
She improved on the cotton fluffer and successively made the most advanced textile tool of the time, a pedal spinning wheel with three spindles.
她改进了弹棉花的弹弓，并成功地制成了当时世界进的纺纱工具——三锭脚纺棉车；
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