She improved on the cotton fluffer and successively made the most advanced textile tool of the time, a pedal spinning wheel with three spindles.
她改进弹棉花的弹弓,并
功地制
时世界上最先进的纺纱工具——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.
她改进弹棉花的弹弓,并
功地制
时世界上最先进的纺纱工具——三锭脚
纺棉车;
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