Bohai Caofeidian Oilfield safety drill
渤海曹妃甸油田
Caofeidian debugging project is expected at the end of production 6.
曹妃甸项目正在调试中，预计6月末投产。
Study on the Coastal Profile Changes of the Caofeidian Area in the Bohai Sea since 1983
渤海湾曹妃甸80年代以来海岸剖面变化研究
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