油舱油气驱除装置
tank gas-freeing installation
舱内排放螺塞
inner compartment drain plug
大气排气
atmospheric exhaust
atmospheric steam exhaust
电子设备冷却气排气口
electronic equipment cooling air exhaust port
发动机机舱排气机构
engine compartment air evacuation mechanism
废气排除
exhaust and treatment system of exhaust gass
废气排气系统
exhaust emission suction system
排气排放量
amount of exhaust emission
排气排放物控制系统
exhaust emission control system