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- 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？
- And this system raises the automaticity of vibration transducer calibration. 提高了振动传感器校准的自动化程度。
- 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。
- 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。
- Keep equipment maintenance and calibration in good condition. 保证仪器的维护和校验状态良好。
- 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。
- Pressure Transducer Calibration System 压力传感器校准系统
- Casualties in air crashes are terrible. 空难的人员伤亡很可怕。
- underwater electroacoustic transducer calibration 水声换能器校准
- It is calibrated in pressure units. 它是按压力单位分度的。
- Breathe in air the colour of lavender. 你将淡紫色的空气吸入了体内。
- An approach of nonlinear error automatic calibration in electronic weighting. 电子秤非线性自动修正方法。短句来源。
