376 / | HD | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS |
347 | DF | REACTOR STRUCTURES {7} |
361 | DF | .~ Circulating fluid within reactor {6} |
362 | DF | .~.~ Fuel assembly supports {2} |
364 | .~.~.~ Fuel assembly holddown or locking means {1} | |
365 | DF | .~.~.~.~> Hydraulic or pneumatic |