Desai德赛DESn.二乙基固醇（=DIETHYLSTILBESTROL)abbr.目的港船上交货(=Delivered Ex Ship)；教科部(=Department of Education and Science)desease and pest病虫害desing parameter设计参数descaling device除鳞装置; 破鳞机descaling chisel除锈凿desmotropic form稳变异构体descaling system除鳞系统desulfurizat ion脱硫despeissis rayon铜氨嫘萦Desulphorizatiom脱硫descensus ovarii卵巢下垂