Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
Not at all. Hope you come again.
不客气。希望你能再来。
When should I get to the airport?
我该在什么时8点45分之前到那里。
Of course, everyone likes presents.
当然，每一个人都喜欢礼物。