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Objective To study drinking water hygiene status and management countermeasures.
目的研究黄河三角洲饮水安全卫生状况及对策。
youdao
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The countermeasures of fertilization in study area are also given at last.
最后，提出了研究区土壤施肥的一些建议。
youdao
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The countermeasures of fertilization in study area are also given at last.
最后，提出了研究区土壤施肥的一些建议。
youdao