Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
What was that about?
说些什么？
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。
I had all the usual symptoms of someone giving up smoking: a bad temper and an enormous appetite.
脾气暴躁和食欲旺盛。