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What are the "round holes" in the bag of baked coffee powder for? (cold knowledge)
Wen / Ziquan, as a newcomer who is addicted to coffee, I recently bought a batch of roasted coffee beans. It is found that there will be a hard, round part with small holes on almost all the packages. Is the breathable hole for me to smell the coffee? The scientific name of the small hole is the one-way valve. To put it more popularly, this air valve is only out and not in. What it does:
2017-05-08 Baking coffee powder bags small round holes what for use knowledge Ziquan as one -
Coffee planting History of Coffee introduction and expansion in China in the early stage (3)
1. Investigation on the year of coffee introduction in Hainan Island in 1898 1.1 the age of the early introduction of coffee in Hainan Island is indisputably expressed as 1908 in many local chronicles, agricultural history, agricultural history and various books and periodicals in China. However, the remains of the century-old coffee trees in Hainan Island are still there, and the descendants of the ancient trees are still there. Therefore, the century-old coffee trees that actually exist in Hainan have unequivocally rewritten Hainan.
2014-10-14 Coffee knowledge coffee growing history Chinese coffee -
History of introduction and expansion of Coffee in early China (3)
1. Investigation on the year of coffee introduction in Hainan Island in 1898 1.1 the age of the early introduction of coffee in Hainan Island is indisputably expressed as 1908 in many local chronicles, agricultural history, agricultural history and various books and periodicals in China. However, the remains of the century-old coffee trees in Hainan Island are still there, and the descendants of the ancient trees are still there. Therefore, the century-old coffee trees that actually exist in Hainan have unequivocally rewritten Hainan.
2015-04-28 Early China coffee introduction expansion -
The History of Coffee introduction and expansion in China in the early stage (3)
1. Investigation on the year of coffee introduction in Hainan Island in 1898 1.1 the age of the early introduction of coffee in Hainan Island is indisputably expressed as 1908 in many local chronicles, agricultural history, agricultural history and various books and periodicals in China. However, the remains of the century-old coffee trees in Hainan Island are still there, and the descendants of the ancient trees are still there. Therefore, the century-old coffee trees that actually exist in Hainan have unequivocally rewritten Hainan.
2014-12-01 Coffee History Common sense early China introduction expansion about 1898 -
A Survey of Chinese Coffee Culture on the introduction of Coffee in Hainan Island in 1898
1.1 the age of the early introduction of coffee in Hainan Island is indisputably expressed as 1908 in many local records, agricultural history, agricultural history and various books and periodicals in China. However, the remains of the century-old coffee trees in Hainan Island are still there, and the descendants of the ancient trees are still there. Therefore, the actual existence of the century-old coffee trees unequivocally rewrote that the earliest introduction of coffee in Hainan Island should be in 1898. 1.2
2015-02-07 China coffee culture about 1898 Hainan Island introduction coffee age -
The introduction and expansion of Coffee in China in the early stage of Coffee Development (3)
1. Investigation on the year of coffee introduction in Hainan Island in 1898 1.1 the age of the early introduction of coffee in Hainan Island is indisputably expressed as 1908 in many local chronicles, agricultural history, agricultural history and various books and periodicals in China. However, the remains of the century-old coffee trees in Hainan Island are still there, and the descendants of the ancient trees are still there. Therefore, the century-old coffee trees that actually exist in Hainan have unequivocally rewritten Hainan.
2015-03-09 China coffee development course early stage introduction expansion