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猛犸牙怎么辨别真假
更新时间: 2020-11-04 00:00:00  

大件首先看外形,猛犸牙通常弧度大,呈半月状。其次看外皮,有土牙、冰牙之分。土牙外皮土黄,冰牙通常是蓝黑色或者黑色,也有棕色。猛犸牙的牙皮比现生象牙皮厚的多,有的能达到2公分左右。

关键词: 猛犸 怎么 辨别 真假

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