Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
we can ship the goods one month ahead of time.
我们可以提前一个月起运。
Would you please make my reservation to Chicago for tomorrow?
请帮我预订明天去芝加哥的座位好吗？
No, we aren't. The children go to a different school.
不是，两个去的是另外一个学校。