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Function: _error_handler
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Severity: Notice
Message: Trying to get property of non-object
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Backtrace:
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Line: 138
Function: _error_handler
File: /www/wwwroot/jyw/application/controllers/Web_home.php
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Function: view
File: /www/wwwroot/jyw/index.php
Line: 316
Function: require_once
俄乌冲突爆发以来，俄罗斯与西方之间的博弈，很大程度上围绕着能源展开。其实，早在冷战时期，苏联就已经是世界石油市场的重要玩家了，我们不妨回顾一下当年苏联的石油出口，跟今天的俄罗斯能源贸易做个对比参考。