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- It is very complex to calculate the aerodynamic drag of high-speed train running in railway tunnel with multi -shafts . And the difficulty is to calculate the velocity of piston wind. 在高速列車(chē)空氣阻力計算中,多豎井隧道的列車(chē)空氣阻力計算比較復雜,其難點(diǎn)在于多豎井的活塞風(fēng)計算。
- Lashing velocity of pump is concerned with nature of air. 泵的抽氣速率與氣體的性質(zhì)有關(guān)。
- The hare darted off with the velocity of a bird. 野兔像鳥(niǎo)一樣快速掠去。
- The velocity of light is about 186,000 miles per second. 光速大約是每秒十八萬(wàn)六千英里。
- The hare dart off with the velocity of a bird. 野兔像鳥(niǎo)一樣快速掠去。
- The plane is flying at the velocity of sound. 飛機以音速飛行。
- Conduction velocity of motor nerves. 電生理學(xué)檢測運動(dòng)神經(jīng)傳導速度。
- Sets the initial linear velocity of added objects. 設置加入物體的初始線(xiàn)速度。
- Calculate the velocity of light. 計算光的速度。
- When assembling, leave the mark on body of piston rod frontward. 裝配時(shí)，桿身上的記號要朝前。
- The jet plane is flying at the velocity of sound. 噴射機以聲音的速度飛行。
- He checked the direction and velocity of the wind. 他查看風(fēng)向和風(fēng)速。
- The velocity of winch can't overspeed in 1m/s. 卷?yè)P速度不能超過(guò)1m/s。
- The velocity of a projectile as it leaves the muzzle of a gun. 子彈離開(kāi)槍口射彈的速度。
- Augmenting the initial displacement of piston of lift cylinder reduces the velocity and acceleration of the platform of hydraulic static pile diver. 增大升降油缸活塞的初始高度，能減小壓樁機加力壓樁時(shí)的機身速度和加速度；
- The velocity of light is about 186,000 mile per second. 光速大約是每秒十八萬(wàn)六千英里。
- The velocity of light is too great to be measured in simple units . 光速太快，不能用簡(jiǎn)單的單位來(lái)量度。
- The child dreams to fly with the velocity of a bird. 孩子夢(mèng)想著(zhù)像鳥(niǎo)兒一樣迅速地飛翔。
- Field test and analysis of piston action ventilationin beijing underground rai. 北京地鐵列車(chē)活塞風(fēng)的實(shí)則與分析。
- Last impacting velocity of the piston of pneumatic DHT hammer contacts nearly capability of pneumatic DHT hammer. 風(fēng)動(dòng)沖擊器活塞的沖擊末速度決定了沖擊器的工作性能。
