discaladj.盘状的DISCn.唱片；圆盘；盘状物；花盘；磁盘（=disk）pref.表示“盘；盘状物；唱片”abbr.折扣（=discount）discharging resistor放电电阻器disc oriented system面向磁盘的系统discharging printing拔染印花discriminatory quota歧视性配额disc balling machine圆盘造球机disc turbine aerator圆盘型涡凹曝气头discriminant grammar判别式语法discharging ash pipe输质管道discriminating order判别指令disc file controller磁盘文件控制器