Poly(decamethylene sebacamide)
[化] 聚癸二酰癸二胺; 尼龙-1010
🗣️ 情景例句
What is this charge here?
这是什么费用？
We had expected much lower prices.
我们希望报价再低一些。
What does that do?
这有什么用处呢？