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Easily closes to attach to any key ring, making it super easy to carry.
轻松关闭附加任何钥匙环，使超级便于携带。
youdao
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Material is the key point of the super-density information technology.
材料是超高密度信息存储的关键。
youdao
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Material is the key point of the super-density information technology.
材料是超高密度信息存储的关键。
youdao