买单买双有什么算法

简介：As a gift and test product, before the first day of May this year, Zeng Dezhao wanted to send 500 sets of half-length armor to the capital for Zhu Cixiang to inspect the quality. The Portuguese had a small amount of plate armor in stock in Macau and India, only 500 at most. Originally, They used it themselves, and now they need to urgently deliver it to Ming Dynasty.