| 摘要 |
In the arrangement there is disposed between the end faces of the hollow bodies (3, 4) an insulating and/or sealing layer (7), the edge, facing the hollow body interior, of which adjoins a recess (10) which is formed by angled and curved delimiting surfaces (11, 12) and, by its shape, forms an effective protection for the layer (7). In addition, the recess (10) can be provided with a coating, the material of which has absorbent and/or moderating properties with respect to radioactive radiation and heat radiation and with respect to material particles. <IMAGE>
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