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<title>Document</title>
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p{height:25px;
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<p id="d1">菜单a</p>
<ul id="d2">
<li>a1</li>
<li>a2</li>
<li>a3</li>
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<p id="d1">菜单b</p>
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<li>b1</li>
<li>b2</li>
<li>b3</li>
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