1.Drip coffee machine: In fact, this coffee machine is a kettle. After boiling the water in the kettle below, pour the water into the filter with coffee bean powder on the top of the kettle, and let the hot water impact the coffee. The bean powder releases the aroma of coffee, and the coffee powder is blocked in the filter after being released, and the aroma of coffee drips into the pot that just boiled the water.
2. Professional capsule coffee machine: At present, this kind of machine is not very popular in China. However, I believe that with the prevalence of coffee culture in the near future, it will definitely emerge. The working principle of this type of coffee machine is to put a variety of pre-prepared coffee capsules into the coffee machine, so that hot water of about 90 degrees and a vapor pressure of about 10 bar penetrate the punctured capsule. The fragrant substances in it can be extracted in a short time and with high efficiency, so that a better taste of coffee is obtained. After brewing, there is a layer of fragrant milky ARABICA foam on the coffee, which has a unique taste.
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