I bought several readers, and also used the longest month of the bad, and how it is used to prevent burn Yeah, what kind of durability? The first is Biexian
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what kind of durability
什么样的耐久性？
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For high strength and durability, what you really want is a metal alloy of some kind.
如果旨在高强度和持久性，金属合金是您的不二选择。
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