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