| 摘要 |
A maintenance cover for use in a nuclear reactor including a pump deck having at least one pump diffuser opening is described. The cover includes, in one embodiment, a substantially cylindrical member having a first end and a second end. The first end has a diameter larger than the diameter of the pump diffuser opening. The substantially cylindrical member includes a substantially cylindrical frame having a plurality of window openings formed therein. Grating is secured to the frame and extends over the window openings. The cover further includes an end member secured to and positioned over the second end of the substantially cylindrical member. The end member also includes grating. A handle is secured to the substantially cylindrical member.
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