初级产品和工业制成品
基于1个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
Developed countries have traditionally maintained low tariffs on primary products and much higher tariffs on semi-manufactured and manufactured goods.
发达国家历来对初级产品保持着低关税，而对半成品和制成品保持着很高的关税。
youdao
应用推荐
模块上移
模块下移
不移动