蓄在水闸内的水具有自由能。
该研究对处理含有其它碳源的含酚废水具有一定的意义。
The study on treatment contain other carbon sources of hydroxyl benzene wastewater has certain significance.
这些水源通常比河流、湖泊和小溪的地表水具有高得多的氡浓度。
These sources of water normally have much higher concentrations of radon than surface water from rivers, lakes and streams.
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