Ultrapan乌尔特拉潘(联邦德国产聚丙烯腈系纤维)
ultraadj.超;过激的;极端的n.过激论者;急进论者
ultra-abyssal fauna超深渊动物
ultrascope image tube紫外显象管
ultrafiltering funnel超滤漏斗
ultrahigh vacuum seal超高真空密封
ultra-wideband fuze超宽带引信
ultra radio frequency超无线电频,超射频率
ultralow carbon steel超低碳钢
ultra-free particle超细粉体
ultra short feed back超短反馈
Ultrasound navigation超声引导