...流体,依其所处温度、压力、湿度等条件下,为方便理论分析与比较将 其区分为三类,自由空气(free air)、正常状态空气(normal air)及标准状态空气(standard air),自由 空气即吾人生活于地球上的空气状态而言,随标高、气压、温度、位置、时间而会变化,因此以自...
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normal air mode 正常搜索模式
Normal Air Mail 国际小包平邮也叫普通空邮
normal-air cabin 增压舱
in normal air 在正常空气
normal air equipment 空气调节设备
normal air condition 正常空气条件
以上来源于: WordNet
Volunteers were told to think about yawning while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.
当志愿者在正常的空气中、纯氧的环境下,或者混有超过正常的二氧化碳含量的空气中呼吸时,他们被要求要想着打哈欠。
Volunteers were told to think about yawning, while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.
当志愿者在正常的空气中、纯氧的环境下,或者混有超过正常的二氧化碳含量的空气中呼吸时,他们被要求要想着打哈欠。
Normal air pressure is about 15 pounds per square inch.
正常的气压大约是每平方英寸15磅。
"These are the same kind of fine matter found in normal air pollution.
VOA: standard.2010.04.16
Allen Hershkowitz with the Natural Resources Defense Council, a private environmental group, says air quality around landfill sites must be carefully checked when oil-contaminated waste is added to normal household trash.
VOA: standard.2010.08.05
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