Differential hardening
[机] 局部硬化
🧩 词语组成解析
differential
['dɪfə'rɛnʃəl]
adj. 差别的;特意的;[数]微分的;[机，物]差动的;
n. [数]微分;差别;工资级差;[机]差动器;
di, dif, divid 表示”分开”;”取消”,”否定”;”不同”
n. 硬化, 淬火\\n[计] 硬化, 固化, 淬火
🗣️ 情景例句
What did you see on your vacation?
在假期中都看了些什么？
Much will have more.
贪得无厌。
That might be in your favor.
那可能对你有利。