304不锈钢制造和喷涂表面；内置抽吸水循环及水容量测量系统，始终保持水压稳定304 stainless steel manufacturing and spraying surface; Built-in suction water circulation and water capacity measureme system, always keep the water pressure stable子母双锅炉设计，出水出气稳定Design of mother and son double boilers, stable outlet water and outlet gas自动供气系统，配有可连续出水的按键/Automatic air supply system, equipped with buons that can coinuously discharge waterPID**温控系统；稳供应9-12帕水压，水温90±5℃‘PID precision temperature corol system; Stable supply of 9-12 Pa water pressure, water temperature 90 5℃4孔蒸气热单水出口， 双嘴萃取出品4-hole steam hot single water outlet, double-nozzle pressure extraction product萃取咖啡精华的*佳出水量设计;超高温保护，超压力保护，可作拉花咖啡Optimum water output design for extracting coffee essence: Ultra-high temperature protection, over-pressure protection, can be used for coffee embossing