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从牙齿的纵型剖面看,牙体结构又可分为牙釉质,牙本质,牙骨质和牙髓. - 像素馆藏
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从牙齿的纵型剖面看,牙体结构又可分为牙釉质,牙本质,牙骨质和牙髓.

从牙齿的纵型剖面看,牙体结构又可分为牙釉质,牙本质,牙骨质和牙髓.

图片尺寸 580x663
上传时间 2026-03-17 11:30:37

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