| 摘要 |
A prefabricated guidance indicator is provided to disassemble the damaged part with ease and thus to facilitate the maintenance and repair. A prefabricated guidance indicator comprises a base(100), a main frame(200) attached and detached to the each edge of upper side of the base, a side frame(300) attached and detached to the exposed edge of the main frame, upper and lower panels(500,400) in which through holes(510,410) are formed, a cover(600) covering the top of the main frame, the side frame, and the upper panel, and a side panel(700) in which a slide groove(710) is formed.
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