| 摘要 |
<p>The cover (1) has an inner wall (7) which is adapted to serve as a cover to a container (3). The wall divides an inner space (2) into an inner chamber (8) and a receiving chamber (9) adapted to receive the container. The wall has a vapor inlet orifice (10) arranged in a central region permitting vapor from the container to penetrate in the chamber (8). Vapor outlet orifices (11, 12) permit to evacuate vapor in the chamber (8).</p> |
