| 摘要 |
<p>A shield (1), comprising a pair of vertical posts (2, 3) connected by one or more plate-like elements (4), each one of the plate-like elements (4) accommodating heat exchange means (5) adapted to allow the flow of a fluid to be heated, said fluid being conveyed within the plate-like elements (4) through the vertical posts (2,3).</p> |
