欧洲各国不仅没有建立一个整合的市场，利用替代能源供应，反而各自与俄罗斯天然气工业股份公司签定合同，导致更加依赖俄罗斯。
Instead of creating an integrated market, drawing on alternative energy supplies, countries have simply drawn up individual contracts with Gazprom, increasing dependence on Russia.
石油和天然气是重要的能源，也是十分宝贵的化工原料，因此世界各国对油气的勘探与开发都特别重视。
Oil and natural gas are both important energy and precious chemical resources, so it is not surprised that all the countries pay special attentions to their oil exploitation.
纵观世界各国对天然气应用均有不同的产业政策。
A Numbers of countries in the world have different policies of natural gas utilization.
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