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Engineering Geological Survey of Yongcheng Section (Pphase II) of Jining-Qimen Expressway
2021.01.27
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Engineering Geological Survey of Zhengzhou Airport to Zhoukou Xihua Expressway (Phase II) at Preliminary Design Stage
2021.01.27
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Dongguan Bridge in Fugou County
2021.01.27
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Engineering Geological Survey of South Extension of Zhengzhou Daxue Road (Southwest Ring Road to S323)
2021.01.27
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Engineering Geological Survey of Reconstruction of Nanyang-Guanzhuang Section of Provincial Highway S228
2021.01.27
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Engineering Geological Survey of Section from Dancheng to Shenqiu Exit of Ningbo-Luoyang Expressway on National Highway G220 (Original Provincial Highway S210)
2021.01.27
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Survey of Second Stage of Zhengzhou Airport-Zhoukou Xihua Expressway in Preliminary Design Phase
2015.04.01
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Survey of Jiyuan-yangcheng Expressway Jiyuan Section
2015.04.01
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Survey of South Daxue Road(Southwest Suburban Expressway to S323 Section)
2015.04.01
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Survey of Second Stage of Jining-Qimen Expressway Yongcheng Section
2015.04.01
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