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一眼瞬間,不小心把勃氏硬度測試看成勃起硬度測試,我倒想知道什麼場合會作這種測試。
I'd mistaken Brinell hardness test for Boner hardness test. Fine, I'm really want to know what it is for.
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一眼瞬間,不小心把勃氏硬度測試看成勃起硬度測試,我倒想知道什麼場合會作這種測試。
I'd mistaken Brinell hardness test for Boner hardness test. Fine, I'm really want to know what it is for.
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