After commissioning of sewage treatment system, over 500 trucks could be washed at any time. In this way, it saved water and solved the problem of environment pollution.
污水处理投产后，500多辆汽车可随时刷车，杜绝了随地刷车，浪费用水污染环境等不良现象。
Through measuring and comparing of the residual stresses be fore and after treatment, it is result in raising the quality and effect of treatment and reducing the environment pollution.
通过热处理前后残余应力测量结果的对比可以看出，使用该设备不仅提高了热处理质量和工效，而且减少了环境污染。
The utilization of oilfield produced water after the treatment has been an important way to save water resource and reduce environmental pollution.
采油污水经处理后资源化利用，成为节省水资源、减少环境污染的一个重要途径。
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