单词	tube focus
释义	tube focus 管焦点
随便看	low oblique aerial photograph low oblique convergent photography low-oblique convergent photography low oblique photograph low-oblique photograph low oblique photography low-oblique photography low-observable Low Observable Aircraft Low Observable High-Altitude Endurance low observable structure low observable structures Low-Observable Weapon Airframe Technology low observation aircraft low observation reentry vehicle lowoctane low octane low-octane Low Octane Grade Diesel low octane petrol low-octanes low odor low-odour low-odours low odour type