Osma奥斯马
OSabbr.操作系统=(Operating System)
oscillating deliver振动溜槽
Osmia quadricornutan.方角壁蜂
Osmium Hexafluoride
os naviculare pedis足舟骨
osmiophilic globule嗜锇球
oscillating voltage振荡电压
os tibiale externum外胫骨
oscillating seeding振荡种植
oscillating scraper振动式刮土板
oscilloscope record示波器记录