millions of years of storage 中文意思是什麼
millions of years of storage
解釋
以百萬年計的儲能-
China is not only densely populated, but depends heavily on agriculture as well. in recent years, china ' s average total yield is about 500 million tons, of which 20 % has a moisture content higher than that for safe storage and around 85 millions tons needs drying
我國是一個人口大國,同時也是一個農業大國,我國的糧食總產量近年大約平均有5億噸,每年收獲的糧食有20屬高水分,約有8500萬噸需要乾燥。
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