China and the US have made great progress in cooperation on the clean energy sector.

骆家辉在本次访问的一份声明中说，中美两国在清洁能源领域的合作已获得巨大成效。

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China and the US have made great progress in cooperation on the clean energy sector.

骆家辉在本次访问的一份声明中说，中美两国在清洁能源领域的合作已获得巨大成效。

youdao