Dupy迪皮dupn.复制品，副本，重复duplicatingn.复制；重复动词duplicate的现在分词形式.duplicativeadj.加倍的(二重的；复制的)Dupuychaumet迪皮绍梅duplieability可复制性Dupommereulle迪波默勒尔duplicativity再现性DuPont safety杜邦安全Dupont's test钻场Dupont's Lark厚斜纹布裤子Dupry process直接炼铁法