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1
Soak soybeans for about 8 hours.
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2
Change water, add water, add ginger, pepper and star anise.
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three
Release smoke and salt.
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four
Put the pepper after boiling, of course, you can put it at first. It would be better if there were flowers and peppers.
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five
Let the fire boil for a while, then turn to low heat and cook the soup halfway. It is generally unnecessary to take it out for cold storage in hot weather.
Want to take the qualification certificate of chemical inspector, please explain in detail.
Undergraduate graduates