... 轻油发动机 light oil engine 轻油蒸馏器 light oil still 光图案 light pattern ...
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In the light of the prospect of China' s oil & gas mineral resources exploration, however, the oil resources still have great potential and the gas proved reserves will increase by a large margin.
从我国油气资源勘查前景看，石油资源仍具有较大潜力， 天然气探明储量仍将大幅增长。
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