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来源:雅诚德英语网
While this represents incremental progress, obstacles to full-scale oil sector development remain great.
尽管这代表石油开发已循序渐进地展开,但石油的全面开发仍存在巨大障碍。
While this represents incremental progress, obstacles to full-scale oil sector development remain great.
尽管这代表石油开发已循序渐进地展开,但石油的全面开发仍存在巨大障碍。