The counteract of the slow process of urbanization and the backward process of the social - economy as the common characteristic in the present development of the southwest national area 摘要城镇化进程缓慢与社会经济发展滞后问题相交错，是西南民族地区目前发展的共有特征。
2.
In view of the problems of the underground water pollution caused by the direct discharge of the original dust removing water of converter that had poor quality and the old and backward processing facility of converter slime which had poor processing results , a series of measures such as using box filters have been taken so as to fully recycle the dust removing water of converter and recover the slime . as a result , the water is saved and the pollution eliminated , which has brought remarkable social and economical benefits 针对原转炉除尘污水水质较差，直接外排对地下水造成污染；转炉污泥处理设施陈旧落后，处理效果差等问题，采用厢式过滤机处理等一系列措施，使转炉除尘污水全部循环，污泥全部回收，既节约用水，消除污染，又收到明显的经济和社会环境效益。
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