As the world's second biggest petroleum consumer and importer, Japan, for the sake of its petroleum supply security after the two energy crises, has established huge petroleum reserves.
日本是世界第二大石油消费国和进口国。为保障本国的石油供应安全，在两次能源危机后，日本建立了庞大的石油储备。
In recent years, with the growing of the petroleum import in China, the single of petroleum transport channels seriously threat the security of China's petroleum supply.
近年来，随着中国对石油进口的日益增加，石油运输途径单一的现状严重威胁到中国石油的供应安全。
Concerning with the exploitation, control, demand and supply of petroleum security of China is dangerous at present and in upcoming...
并结合国内外的石油开采、控制及供给形势，分析和评价了中国石油安全性。
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