标题: 1.5放少量狗 再补 [打印本页] 作者: huihlin 时间: 2017-1-6 08:53 标题: 1.5放少量狗 再补 作文:cell phone manufacturing requires lots of expensive metals;have a forecast of strong purchasing, plan to lock cost by immediately buying large quantities of expensive metals to lock savings in the future and higher profits