在各种污染中，工业污染尤为严重，特别是对地下水和空气，而对工艺废水进行自动中和就是减少对地下水的污染。
In all kinds of pollution, the industry pollution is particularly serious, especially to groundwater and air, and the auto-neutralization to craft waste water can reduces the pollution to groundwater.
在各种污染中，工业污染尤为严重，特别是对地下水和空气，而对工艺废水进行自动中和就是减少对地下水的污染。
In all kinds of pollution, the industry pollution is particularly serious, especially to groundwater and air, and the auto-neutralization to craft waste water can reduces the pollution to groundwater.
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