Silfrax
碳化硅高级耐火材料
🗣️ 情景例句
You do?
真的？
I told him last Tuesday.
我上个星期二告诉他。
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。