Poly(hexamethylene adipamide)
[化] 聚己二酰己二胺; 尼龙-66
🗣️ 情景例句
78 percent of black high-school graduates are unemployed.
百分之四十八的黑人高中毕业生失业。
I hope you will be able to do a good business with the Chinese as well as customers of other countries.
我希望你们能够和包括中国在内的各国客户做成交易。
How do you do?
您好！