The results showed that the purification efficiency of wetland be increased by growing plant, and were higher in substrate mixed by sand and soil than substrate made of scree.
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结果表明,种植植物的湿地系统比没有植物的湿地系统净化效率高,沙土混合基质比卵石基质净化效率高;
单词 The results showed that the purification efficiency of wetland be increased by growing plant, and were higher in substrate mixed by sand and soil than substrate made of scree. 的词典定义。@海词词典-最好的学习型词典
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