作 者 薛忠歧(Zhong-Qi Xue);余秋生(Qiu-Sheng Yu);于艳青(Yan-Qing Yu); 尹秉喜 (Bing-Xi Yin);于建华(Jian-Hua Yu) 刊 名 合肥工业大学学报(自然科学版)
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北京市环保局总工程师于建华承认，去年空气质量的提升没有大到可以改变居民对整体空气质量的感觉。
Yu Jianhua, the Beijing environmental bureau's chief engineer, conceded that the improvements made last year were "not huge enough" to change residents' perception of overall air quality.
此外，建华有大约100名当地员工服务于各种不同的项目。
In addition JHF has about 100 local staff serving with us in our various projects.
建华压铸厂，始创于1988年，厂房占地面积5000平方米，座落于中山市小榄镇，拥有便利的海陆空立体交通网络。
Jianhua die-casting plant, founded in 1988, the plant covers an area of 5000 square meters, located in Xiaolan Town, Zhongshan City, with convenient land, sea and air transportation network.
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