Refrax
金刚砂砖, 碳化硅耐火材料
🗣️ 情景例句
a way to encourage reading.
鼓励阅读的办法。
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
We always make friends with each other again.
我们总是重新交朋友。