| 摘要 |
A nuclear reactor fuel element assembly in which a plurality of sleeves arranged end to end house nuclear fuel-containing members arranged in clusters, wherein the ends of the fuel-containing members have cut-away portions or projections and the fuel-containing members of the groups are so disposed that gravitational forces due to the weight of the fuel-containing members of the group, when the assembly is located in a vertical channel in a reactor core, act to produce couples on the members causing them to lean at one end towards one another in mutually supporting relationship and to lean at the other end away from one another against fixed surfaces provided at least in part by the walls of the sleeves.
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