足彩310走势图

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足彩310走势图:Engineering & Technical Service

The engineering & technical services sector is the solid foundation for the sustainable development of the oil & gas business. CNOOC highlighted reform and innovation, strengthened technological research, and actively explored the market, so that the level of engineering technology was steadily improved, critical breakthrough was achieved in operation capacity enhancement, and international competitiveness and influence were continuously enhanced.



足彩310走势图:

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