The sewage irrigation caused not only lead pollution of the environment, but it also increased lead load of children and brought about early damage in the central neural system.
提示用含铅工业废水灌溉不仅使环境受到铅污染，而且使儿童铅负荷增高，中枢神经系统受到早期损害。
The sewage irrigation caused not only lead pollution of the environment, but it also increased lead load of children and brought about early damage in the central neural system.
提示用含铅工业废水灌溉不仅使环境受到铅污染，而且使儿童铅负荷增高，中枢神经系统受到早期损害。
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