Of the 13 priority pollutant metals tested for, two are found in elevated levels in passivation waste effluent waters.
在经检测的13种优先级污染金属中，发现有两种金属在钝化废液中的水平有所增加。
Of the 13 priority pollutant metals tested for, two are found in elevated levels in passivation waste effluent waters.
在经检测的13种优先级污染金属中，发现有两种金属在钝化废液中的水平有所增加。
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