I think one of the 4 groups of spaces is particularly good to share. I hereby send it to the forum for everyone to share it. The article comes from: 4 groups: Hilton-Shijiazhuang 1. Italian professional coffee machines are divided into four types according to the brewing and heating system of boilers. They are single boiler system, parent boiler system, double boiler system and multiple boiler system. Four different boiler brewing heating systems
2014-08-28 espresso coffee1. Italian professional coffee machine is distinguished according to the cooking and heating system of the boiler, which is generally divided into four types, namely, single boiler system, parent boiler system, double boiler system and multi-boiler system. Four different boiler brewing and heating systems will be different when we brew espresso, and the main reason for the difference comes from the different configuration of the boiler and heating.
2015-10-20 Italian style coffee learning making cups need attention problems