Macrofractography

断口低倍检验, 断口宏观检验

🗣️ 情景例句

Good-bye.
再见。
There are more foolish buyers than foolish sellers.
愚蠢的买主多鱼愚蠢的卖主。
Sorry. I had a little, but I don't feel like eating.
对不起。我吃了一点儿,我不想吃。
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