| 摘要 |
<p>In an improved method and machine for espresso coffee there are provided one or more operating units (10) each of which comprises a boiler, a pump, a heating unit, a group (26) for aroma extraction and dispensing of the espresso coffee brew, including related conduits. Each unit (10) is equipped with a system for controlling and adjusting the espresso coffee brewing parameters, in particular the water pressure.</p> |
