ultralown.超低
ultraadj.超;过激的;极端的n.过激论者;急进论者
Ultramicro-structure超微结构
ultrahigh vacuum gauge超高真空计
ultra-high water cut特高含水
ultra fast accelerator超速促进剂
ultrafiltering balloon超滤瓶
ultrasound-microwave超声波-微波
Ultra-drying methods超干方法
ultrasecure laboratory极安全的实验室
ultra-large diameter超大口径
ultrasound cardiograph超声心动仪