Pigging station for natural gas distribution of Sino-Russian East Line in N China's Hebei

原标题：Pigging station for natural gas distribution of Sino-Russian East Line in N China's Hebei

Photo taken on Dec. 17, 2020 shows the daily inspection on the pipepine of the pigging station for natural gas distribution of Sino-Russian East Line, in Haigang District of Qinhuangdao City, north China's Hebei Province. Recently, the Sino-Russian East Line Natural Gas Pipeline Project (Changling-Yongqing) has been completed in Qinhuangdao. (Cao Jianxiong/Guangming Picture)

Photo taken on Dec. 17, 2020 shows the daily inspection on the pipepine of the pigging station for natural gas distribution of Sino-Russian East Line, in Haigang District of Qinhuangdao City, north China's Hebei Province. Recently, the Sino-Russian East Line Natural Gas Pipeline Project (Changling-Yongqing) has been completed in Qinhuangdao. (Cao Jianxiong/Guangming Picture)

Photo taken on Dec. 17, 2020 shows the daily inspection on the pipepine of the pigging station for natural gas distribution of Sino-Russian East Line, in Haigang District of Qinhuangdao City, north China's Hebei Province. Recently, the Sino-Russian East Line Natural Gas Pipeline Project (Changling-Yongqing) has been completed in Qinhuangdao. (Cao Jianxiong/Guangming Picture)

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