Now, supernutrition is the first problem in Dianchi, and the environment of the lake deteriorate gradually for more total phosphorus and total nitrogen was input.
滇池是整个流域污染物唯一的汇,这也是其难以治理的原因。
过
,
过Now, supernutrition is the first problem in Dianchi, and the environment of the lake deteriorate gradually for more total phosphorus and total nitrogen was input.
滇池是整个流域污染物唯一的汇,这也是其难以治理的原因。
声
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