新建和改建的污染源必须满足设计的技术和性能标准来防止空气质量的恶化。
New and modified sources must meet technology and performance standards designed to prevent any significant deterioration of air quality.
新建和改建的污染源必须满足设计的技术和性能标准来防止空气质量的恶化。
New and modified sources must meet technology and performance standards designed to prevent any significant deterioration of air quality.
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