本发明改变小菌与大菌的比例， 增加菌种密度，提高菌种活力，从而缩短发酵周期；
The invention changes the proportion between large bacteria and small bacteria, increases the strain density, and improves the strain vitality, thus shortening the fermentation period;
本发明改变小菌与大菌的比例， 增加菌种密度，提高菌种活力，从而缩短发酵周期；
The invention changes the proportion between large bacteria and small bacteria, increases the strain density, and improves the strain vitality, thus shortening the fermentation period;
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