| 摘要 |
A nuclear installation 10 comprises a cavity 22 which is defined by at least one cavity wall 20 and which is arranged to contain nuclear fuel and a liquid for shielding radiation emitted from the fuel. A barrier 30 is arranged to be deployed within the cavity 22 to define a sub-region 34 within the cavity 20 within which fuel can be contained or transported so as to keep the fuel away from the at least one cavity wall 22 by a predetermined distance. The invention also concerns a method for refuelling a reactor vessel 18.
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