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og11-20

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发表于 2009-2-5 11:26:00 | 只看该作者

og11-20

谁能解释一下og11-20E的解释

E:The water in the rural county was brought up to the sanitary standards of the water in the neighboring counties 10 years ago.

illustration: The neighboring counties may have had inadequate sanitary conditions as well, and, if so, the health officials' claim is not refuted.

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