Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
Don't worry about it. It's a taken of my appreciation for your business, and friendship.
没关系的。这是向你表示我们在生意及友谊上的一点心意。
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
Will you help me plant this tree, please?
你愿帮着种这棵树吗？