在各种“盐下系层”(也就是，海底盐层下)中的石油储量预计有500亿桶。
There are an estimated 50 billion barrels of oil in the various "pre-salt" fields (ie, the fields under the salt beneath the sea).
在各种“盐下系层”(也就是，海底盐层下)中的石油储量预计有500亿桶。
There are an estimated 50 billion barrels of oil in the various "pre-salt" fields (ie, the fields under the salt beneath the sea).
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