Benzene and organic acid were determined with50 water samples respectively, and threshold for waters from reservoir and non-reservoir are confined.
分析了苯和有机酸各50个水样，确定了含油层水与非含油层水的分界值。
Benzene and organic acid were determined with50 water samples respectively, and threshold for waters from reservoir and non-reservoir are confined.
分析了苯和有机酸各50个水样，确定了含油层水与非含油层水的分界值。
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