Low afforestation index has become a general problem in many cities of China, especially in the old city proper.
我国多数城市中心区特别是旧城区普遍存在绿化指标偏低的问题。
The foundation engineering of No. 9 residential building Xinxiang Printing and Dyeing Mill is a typical actual example of the reformed engineering for old city proper.
新乡市染织厂9号住宅楼基础工程，属于一个典型的老城区改造工程实例。
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