A survey of pollution on vegetable area of Shanghai by organochlorine pesticides was made in 1981.

于1981年对上海蔬菜区有机氯农药污染状况进行了调查。

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A survey of pollution on vegetable area of Shanghai by organochlorine pesticides was made in 1981.

于1981年对上海蔬菜区有机氯农药污染状况进行了调查。

youdao