The traditional single stage biological treatment has not been met the demend of sewage treatment in petrochemical plant.
传统的一级好氧生化流程已不适应炼油化工的污水处理现状。
You know, our products are famous in the world market for their fine quality and reasonable prices. Demend always exceeds supply.
你知道，我们的产品在国际市场上以其优良的品质和合理的价格而闻名，经常供不应求。
You know, our products are famous in the world market for their fine quality and reasonable prices. Demend always exceeds supply.
你知道，我们的产品在国际市场上以其优良的品质和合理的价格而闻名，经常供不应求。
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