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Italian coffee machine is very particular about making coffee, beans are the key to good taste, and then you can't make good coffee without any amount of weight, powder strength, extraction time and extraction amount.
It is best to use fresh Italian beans to ensure the taste and taste of the coffee. Ideally, the coffee powder is evenly distributed before pressing, and then pressed. The coffee powder has a flat surface and uniform density, so that the water extracted from the coffee can pass through evenly. The extraction time is generally about 25 seconds. The amount of extraction is usually 35 cups.