State Grain Reserves (SGR) is the material foundation for grain macro-control and regulation.Meanwhile, SGR is the main material resource available for the government to mitigate food supply crises.是什么意思_State Grain Reserves (SGR) is the material foundation for grain macro-control and regulation.Meanwhile, SGR is the main material resource available for the government to mitigate food supply crises.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句