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2020 Sebei Gas-lifting Drainage and Gas Production Project (PetroChina)
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NG Biological Desulfurization and Noise Reduction Project (PetroChina)
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Hexing Booster Station Noise Reduction Project (Sinopec)
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Gaomiao Booster Station Noise Reduction Project (Sinopec)
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Mapeng 56#-Well Booster Station Noise Reduction Project (Sinopec)
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Noise Reduction Room in Shanxi Coalbed Methane Booster Station (Sinopec)
