The pollution produced in the process of oil exploitation, refining, transporting and waste oily water draining has become an important resource to soil contamination.
石油的开采、冶炼和运输过程的污染和泄漏及含油废水的排放等已成为土壤污染的重要来源。
Results Exchange system of the pollution draining rights is feasible in theory and effective in practice.
结果论证了排污权交易制度理论上可行，实践中有效。
These problems included silt accumulation, water and soil draining, water pollution, the coast levee's flood prevention standard is somewhat universal low and so on.
包括淤泥的堆积、水土的流失、 水污染、沿岸圩堤的防洪标准普遍偏低等。
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