Caproamide
[机] 己酸酐
🗣️ 情景例句
All rihgt!
太好了！
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
Thank you very much.
非常感谢。