您要查找的是不是：
- In comparing with the vacuum furnace sintering and sintering in Ar,a simple method to sinter MgF2 in air furnace is introduced. 通过与真空炉烧结及氩气保护中烧结对比,获得在空气氛围中烧结MgF2的简易方法。
- 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
- 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。
- K 30 C0G ceramic powder for sintering in reducing atmosphere. K 30 C0G瓷粉，适于在还原性气氛中烧结。
- 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。
- 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。
- sintering in air 大气烧结
- 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。
- There is a sensible increase in air pollution. 空气污染已明显地加重。
