Chromatizing
铬酸盐钝化处理
🗣️ 情景例句
I hope I'll go down in history as a famous English professor.
我希望成为未来历史上有名的英文教授。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。
When are you going to have a holiday, Sam?
萨姆，你准备什么时候去度假？