求翻译：美国宣布中国享受从伊朗进口石油的豁免权，使得沿海地区的贸易商开始于伊朗厂家签署甲醇贸易协议，前期减产的炒作下降温，期价下移是什么意思？

The United States announced that China enjoy immunity from Iran's oil imports, making the coastal areas of traders in Iran manufacturers to sign a trade agreement of methanol, cooling, pre-cut speculation on the price down

The United States from Iran announced that the Chinese enjoy immunity to the import of petroleum to make coastal areas of the business began in the factory signed trade agreements, pre-methanol production of speculation, the price drop in temperature down

US announced China enjoys from the Iranian import petroleum exemption power, under causes the coastal area the foreign trader starts in Iranian Factory signs the methyl alcohol trade agreement, the earlier period underproduction hypes decreases temperature, under the time price moves

United States declared China to enjoy from the Iran oil imports of immunity, making coastal traders began in Iran manufactures methanol trade agreement signed, the early stage of production under the hype cools, price moves down

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