tunnel

• It is not correct to think of the wind tunnel having uniform flow .
  设想风洞具有均匀的气流是不正确的。
• Both tunnels are designed to handle engine combustion products .
  两个风洞都设计成能够处理发动机的燃烧产物。
• Setting very low speeds in a wind tunnel is always a vexatious problem .
  在风洞中调出低风速来始终是一个麻烦问题。
• Yes, and they're wonderful feats of engineering, especially the tunnels .
  不错，那都是了不起的工程技术，尤其是隧道。
• It should be noted that a balance is not always required in a wind tunnel .
  应该指出，天平对风洞来说并非是绝对必须的。
• The notion of a channel tunnel first saw the light of day more than a century ago .
  海峡隧道的构想在一百多年前就已提出。
• Another important consideration is the maximum model size for tunnel starting .
  另一个重要问题是启动风洞时最大模型尺寸的确定。
• Compressibility effects are investigated with highspeed models in high-speed tunnels .
  压缩性影响需用高速模型在高速风洞中试验。
• The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan .
  实验是在风洞中距离风机50英尺处进行。
• Tunneling process is important in the low to moderate current density range .
  在中等及中等以下电流密度下，隧道穿透过程是重要的。