单词	fire vent
释义	fire vent 事故排烟口
随便看	range operation Range Operation Building range operation performance summary range operations conference range operations conference circuit Range Operations Control Center Range Operations Control System range operations monitor analysis center Range Operations Officer Range Operation System range operator Range Optical Tracking Instrument range optimization range orientation Range or rangeland Range or scope of influence or effect range ourselves range ourselves with range out range out a line range-rate observation Range Rate System Ranger Bank range over range over a wide field