| 序号 | 日期 | 价格(元/斤) | 涨跌幅度 |
| 1 | 20/07/31 | 6.60 | 4.76% |
| 2 | 20/07/31 | 6.30 | -5.26% |
| 3 | 20/07/30 | 6.65 | 4.72% |
| 4 | 20/07/30 | 6.35 | 7.63% |
| 5 | 20/07/30 | 5.90 | -11.28% |
| 6 | 20/07/29 | 6.65 | 4.72% |
| 7 | 20/07/29 | 6.35 | 6.72% |
| 8 | 20/07/29 | 5.95 | -1.65% |
| 9 | 20/07/28 | 6.05 | 8.04% |
| 10 | 20/07/28 | 5.60 | 4.67% |
| 11 | 20/07/28 | 5.35 | -11.57% |
| 12 | 20/07/27 | 6.05 | 6.14% |
| 13 | 20/07/27 | 5.70 | 6.54% |
| 14 | 20/07/27 | 5.35 | -20.15% |
| 15 | 20/07/26 | 6.70 | % |
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