| 摘要 |
A screen includes: a screen base body, wherein the screen base body includes a plurality of substrates, each of the substrates has a sheet part and a connecting part provided at least one of the surfaces of the sheet part, the connecting part of one of the substrates is detachably connected with the connecting part of the other substrate, and when the screen is used the screen base body is produced by connecting the connecting parts of the respective substrates such that the substrates can be combined.
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