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关注：1
2013-05-23 12:21
求翻译：It is clearly shown form the figures that the fecal coliform is completely removed by infiltration through sand filter after a depth of 150 cm in these three days, and also at depth 75 cm there is at least 77.8% removal and the removal percent decreases day by day even at the third day.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
It is clearly shown form the figures that the fecal coliform is completely removed by infiltration through sand filter after a depth of 150 cm in these three days, and also at depth 75 cm there is at least 77.8% removal and the removal percent decreases day by day even at the third day.
问题补充： |
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2013-05-23 12:21:38
它清楚地示出形成图的粪便大肠菌完全被渗透通过砂滤器150厘米的深度后，取出在这三天，以及在深度75厘米有至少77.8％去除，并去除百分比减小天
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2013-05-23 12:23:18
它显然是显示的数字形式的,粪大肠菌群是完全去除渗入后通过沙子过滤器的深度150cm在这三天,还在深度75厘米至少有77.8%卸载和删除百分比跌幅也一天比一天在第三天。
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2013-05-23 12:24:58
它清楚地显示形式图粪便大肠菌被滤渗完全地取消通过沙滤器在深度的150以后cm在这三天，并且在深度75 cm有77.8%至少撤除，并且撤除百分之天天减少甚而在第三天。
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2013-05-23 12:26:38
它清楚地显示形式粪大肠菌群完全删除通过砂铸渗的数字筛选后 150 厘米深的在这三天，甚至还在深度至少还有 75 厘米 77.8%去除和去除百分比跌幅一天天在第三天。
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2013-05-23 12:28:18
它清楚地被展示形式数字那排泄物大肠杆菌通过沙过滤器完全被渗透撤销在深度，以及在这些三天的 150 厘米的深度之后 75 厘米有至少 77.8% 删除和删除百分点甚至一天天在第 3 天减少。
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