| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a temporary roof for reactor container and a carry-in method of material/equipment into the reactor container capable of easily preventing corrosion on an internal structure of the reactor container.SOLUTION: The temporary roof for reactor container has an outer roof which includes a first roof (11) and a second roof 12 which open/close in an opposite direction each other. The temporary roof also has an inner roof located inner side of the outer roof, which includes a third roof (13) and a fourth roof 14 that open/close in an opposite direction each other.</p> |
