| 摘要 |
A lid of an electronic unit box has a plurality of first fixing ribs and a plurality of second fixing ribs on the top wall thereof which are arranged parallel. The first and second fixing ribs have step-shaped cuts in such a manner that the cuts are opposite to each other, so that when the box body is covered with the lid, the cuts of the fixing ribs are abutted against the opposite edges of the electronic unit to fixedly hold the electronic unit.
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