purchasevt.购买n.购买;购买的物品
purchase value购买价值
purchase power购买力
purchase cycle购货循环,进货周期
purchase block起重滑车
Purchase sample现货样品, 购货样品
purchase shears扩力剪
purchase ranges采购范围
purchase permit准购证
purchase on net网上订购
purchase motive购买动机