您要查找的是不是:
- Numerical analysis of magnetically induced free convection in air 磁致空气自然对流的数学模型
- He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
- 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
- The Interaction of Waves and Convection in the Tropics. 热带锋和对流的相互作用。
- 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。
- 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。
- 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。
- He sucked in air,then went under the water again. 他深深吸了一口气又潜到水里。
- The oxidizing temperature is350℃,3 hr in air. 过氧化则会使薄膜富氧,同样使结构变化,吸收限变宽而向高能方向移动。
- convection in air 气体对流器
- Rinse filters in air conditioners. 冲洗空调的过滤网。
- Sound travels better in water than in air. 声音在水中比在空气中传播得快。
- Casualties in air crashes are terrible. 空难的人员伤亡很可怕。
- Breathe in air the colour of lavender. 你将淡紫色的空气吸入了体内。
- Sound travels at 1, 100 feet per second in air. 声音在空气中的传播速度为每秒钟1,100英尺。
- Jack was a grease monkey in Air Force. 杰克在空军当过飞机检修工。
- Usually, heat travels by radiation in space or in gases, by conduction in solid, by convection in liquid and gases. 通常,热量在空间或气体中辐射,在固体中传导,在液体和气体中对流。