条件筛选
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How did domestically produced cotton pickers break the technology monopoly?
Domestically produced cotton pickers break the technology monopoly
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As mechanical cotton picking approaches, where is the way out for cotton pickers?
Around National Day, Xinjiang, China's largest cotton-rich production area, welcomed more than 600,000 cotton-picking workers from more than a dozen provinces and regions including Henan, Sichuan, Shandong and Ningxia. As in previous years, 1/6 of the cotton-picking army converging at the foot of the Tianshan Mountains from all directions came from Ningxia. Different from previous years