ultrapen苯氧丙基青霉素钾
ultraadj.超;过激的;极端的n.过激论者;急进论者
ultravilolet multation紫外诱变
ultrasound stethoscope超声听诊器
ultrafine coal fly ash超细粉煤灰
ultra high vacuum gage超高真空计
ultrawide band antenna超宽带天线
Ultrasonography ruided超声引导
ultrasound fluoroscope超声荧屏
Ultrastructura changes超微结构
ultrafine copper power超细铜粉
ultra-fine explosive超细炸药