An outgassing measuring system used at low temperature;
一种可用于材料在低温环境下放气的测试系统
A comprehensive survey of development of outgassing model for nonmetal materials in vacuum;
真空下非金属材料放气模型与研究综述
Measurement for sponge outgassing in vacuum;
高真空条件下网状泡沫放气量的测试
double-block and bleed assembly
双止回装置和放气设施
auxiliary power unit bleed valve
辅助动力装置放气活门
gaseous discharge lamp
(荧光)气体放电管
gas discharge etching
气体放电蚀刻[法]
air tank drain cock
气箱排放塞［开关］
the bag containing the gas in a balloon.
气球中存放空气的包。
Blow up balloons and then slowly let out the air by narrowing the opening of the balloons.
吹大气球，然后把气球口放开一点点，放出空气.
d emission standard
空气质量和排放标准
exhaust emission control system
排气排放物控制系统
slagging gas producer
放液渣的气体发生炉
Take fortune when it comes.
运气来了可别放过。
pulsed-flash gas-discharge lamp
脉冲闪光气体放电灯
dry powder type (gas expelled) extinguisher
干粉（气体排放式）灭火器
The enemy gassed the room.
敌人给这房间施放毒气。
open the window to admit air
打开窗放进新鲜空气
Hirschback method
上部平巷排放沼气法
Duplexer of gas discharge tube
气体放电管收发开关
radioactive gas recovery system
放射性气体处理系统