Florosil
合成硅酸铝载体
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
What did you have for lunch?
你中午吃些什么？
Warn the trucking company to take it easy.
吩咐卡车运输公司要小心啊。