单词	beta spectrum
释义	beta spectrum 射线谱
随便看	horizontal frequency horizontal-frequency amplifier horizontal frequency control horizontal-frequency correction horizontal frequency deviation horizontal frequency divider horizontal-frequency divider horizontal frequency locking horizontal-frequency regulator horizontal-frontal axis horizontal frontal line horizontal frontal plane horizontal front lever horizontal frost heaving force horizontal ftwin roller machine horizontal functional agency horizontal functional checkout horizontal furnace horizontal fuselage reference line horizontal fuselage reference linea/c reference horizontal fusion horizontal gallery camera horizontal gang saw horizontal gap horizontal gap paper machine