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- He sucked in air, then went under the water again. 他深深吸了一口氣又潛到水里。
- Designed to operate on land, water, or in air. 長(cháng)于陸?？兆鲬鸬?，三棲的可在陸上、水上或空中操作的
- How much does sound travel faster in water than in air? 聲音在水中比在空氣中傳播快多少？
- And this system raises the automaticity of vibration transducer calibration. 提高了振動(dòng)傳感器校準的自動(dòng)化程度。
- The speed of sound in water is about four as great as in air. 聲音在水中的速度是空氣中的四倍左右
- Exhaust gas has been incriminated in air pollution in cities. 廢氣已過(guò)視為城市空氣污染的原因。
- She crawled onto the river bank and lay there gulping in air. 她爬上河岸,躺在那里喘著(zhù)大氣。
- Keep equipment maintenance and calibration in good condition. 保證儀器的維護和校驗狀態(tài)良好。
- What is the percentage of nitrogen in air? 空氣中所含的氮的比例是多少?
- He watched the bombs bursting in air. 他看見(jiàn)炸彈在空中爆炸。
- He sucked in air,then went under the water again. 他深深吸了一口氣又潛到水里。
- The oxidizing temperature is350℃,3 hr in air. 過(guò)氧化則會(huì )使薄膜富氧，同樣使結構變化，吸收限變寬而向高能方向移動(dòng)。
- Rinse filters in air conditioners. 沖洗空調的過(guò)濾網(wǎng)。
- Sound travels better in water than in air. 聲音在水中比在空氣中傳播得快。
- Pressure Transducer Calibration System 壓力傳感器校準系統
- Casualties in air crashes are terrible. 空難的人員傷亡很可怕。
- underwater electroacoustic transducer calibration 水聲換能器校準
- It is calibrated in pressure units. 它是按壓力單位分度的。
- Breathe in air the colour of lavender. 你將淡紫色的空氣吸入了體內。
- An approach of nonlinear error automatic calibration in electronic weighting. 電子秤非線(xiàn)性自動(dòng)修正方法。短句來(lái)源。
