Nicalon
碳化硅
🗣️ 情景例句
Anything particular you want to know? Let me hear about it.
有什么特别问题你需要了解吗？说来让我听听。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
Just let me know which day.
决定好哪一天就告诉我。