Marstressing
马氏体应力; 马氏体应力淬火
🗣️ 情景例句
What do you do for a living?
你以什么为生？
I'm sorry,but both of them are busy right now.
很抱歉他们现在很忙。
however good and adequate they may be both as parents and as individuals,
不管家长的人品有多么好，作为父母又多么合格，