air gas 空气气体 ; 空气煤气 ; 空气燃料混合气
air gas furnace 煤气炉 ; 空气隙
air gas valve 气瓶阀
air gas attack 毒气空袭
air gas proportioner 空气 ; 空气煤气配比调节器
Zero Air Gas Generator 大流量零级空气发生器
Air Gas Generator 空气发生器
warm air gas furnace 燃气热风炉
forced-air gas 通过烧煤气供暖
In the twenty years that the Clean Air Act has mandated unleaded gas use in the United States, the lead accumulation worldwide has decreased significantly.
在《清洁空气法案》强制要求美国使用无铅气体的二十年里，铅在世界范围内的累积量显著下降。
The pressure of the helium inside a blimp is about the same as that of the air outside, so the gas does not rush out.
气球飞艇内部氦气的压力和外部气压相近，因而气体不会溢出。
During the birth she was given gas and air.
她分娩时用了麻醉混合气体。
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