inside travelling tube 内游动工作筒
gyro travelling wave tube 回旋行波管
power travelling-wave tube 功率行波管
satellite travelling wave tube 卫星行波管
CW power travelling wave tube 连续波功率行波管
low noise travelling wave tube 低噪声行波管
Travelling on the London underground (the 'tube') presents few difficulties for visitors because of the clear colour-coded maps.
现在旅游者在伦敦乘地铁一点也不困难,因为颜色编码的地图。
So now the capsule travelling inside the tube doesn't encounter as much resistance, and therefore can travel really fast with very little energy.
所以胶囊列车在管道内部行进时不会遇到太大阻力,这样就可以用很少的能量行驶非常快。
He reads his paper on the packed Tube train, while she waits patiently on the railway platform. This is travelling the new coalition way for Nick and Miriam Clegg.
克莱格在地铁上看报纸,而她的夫人则耐心地等在火车站站台上,这就是克莱格夫妇的出行方式。
travelling round by the bus and tube is much more reasonable.
乘公交和地铁到处转就更合理了。
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