| 摘要 |
<p>Heat exchanger comprising an outer conduit having a longitudinal axis and an inner conduit having an outer surface and arranged inside and along the longitudinal axis of the outer conduit, the outer surface of the inner conduit and an inner surface of the outer conduit being arranged to form a first opposing wall and second opposing wall of a fluid flow channel, characterized by the first opposing wall comprising a plurality of discrete protrusions protruding towards the second opposing wall.</p> |
