China Petrochemical Corporation (Sinopec) told Xinhua on Wednesday that the nation's second largest oil field's proven o
问题描述：
China Petrochemical Corporation (Sinopec) told Xinhua on Wednesday that the nation's second largest oil field's proven oil reserve was 11.79 percent higher than previously thought to the exploration efforts made by the oil field.
to the exploration efforts 具体的意思是什么?在这句话中作什么成份?
答
【the nation's second largest oil field's proven oil reserve was 11.79 percent higher than previously thought（省略了was）to the exploration efforts made by the oil field】是told的直接宾语从句.【the n...