宇野各月换水的次数和比例（浙江高峰）

宇野各月换水的次数和比例（浙江高峰）

(2012-06-14 21:36:26)

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标签： 杂谈

月份                        次数                                    比率（老水：新水）、

1                            0                                          /

2                            0                                          /

3                            1                                       7：3----5：5

4                            2--3                                    5：5----3：7

5                            3                                       2：8

6                            3                                       2：8

7                            3--4                                    1：9

8                            4--5                                    1：9

9                            3                                       1：9

10                           2                                       2：8----3：7

11                           1--2                                    5：5

12                           1                                       7：3

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