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- Upper Explosion Limits in air 空气中爆炸上限
- Lower Explosion Limits in air 空气中爆炸下限
- Method of test for explosion limits of combustible gases in air 空气中可燃气体爆炸极限测定方法
- Flammable gas as defined by the DOT is any compressed gas that either forms a flammable mixture with air at a concentration of less than 13% by volume, or has a flammable range in air wider than 12%, regardless of the lower explosive limit (LEL). DOT对易燃气体的定义是：在体积浓度小于13%25的情况下同空气形成易燃混合物的任何压缩气体，或者不考虑较低的爆炸极限（LEL），在空气中的易燃范围大于12%25的任何压缩气体。
- He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
- Upper Explosion Limit 爆破上限
- Designed to operate on land, water, or in air. 长于陆海空作战的，三栖的可在陆上、水上或空中操作的
- How much does sound travel faster in water than in air? 声音在水中比在空气中传播快多少？
- The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
- Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。
- Keywords alcohol;higher temperature;low explosive limit （LEL）;upper explosive limit （UEL）; 醇;非常温;爆炸上限;爆炸下限;
- Having no limits in time; timeless. 没有时间限制的；永恒的
- She crawled onto the river bank and lay there gulping in air. 她爬上河岸,躺在那里喘着大气。
- Having no limits in time;timeless. 没有时间限制的;永恒的
- The limits in what he knows of them are intriguing. 他对他们的了解的限度令人感兴趣。
- Limited in perspective; narrow and self-centered. 偏狭的视野上不开阔的; 狭隘和以自我为中心的
- The maximum speed limit in most cities was ten mph. 大多数城市的限速为每小时十英里。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- He watched the bombs bursting in air. 他看见炸弹在空中爆炸。
- upper explosive limit 爆炸上限
