They pressed themselves flat against the tunnel wall as the train approached.
火车接近时他们身体紧贴着隧道壁。
It includes the slowest turn in all of F1, the hairpin at Grand Hotel, where cars slow to 40 MPH, and one of the fastest, a flat-out sweeper through a tunnel taken at 160 MPH.
它拥有F1中最慢的一个转弯，大宾馆处的发夹弯，车速慢到64公里时速，以及时速最快的一个转弯，在一个隧道处的时速达到257公里。
Thee tunnel's course is flat and straight instead of winding up through the mountains like the old rail tunnel and a road tunnel opened in 1980.
圣哥达隧道走势平直，没有仿效过去的铁路隧道和1980年投入使用的公路隧道环山的设计。 。
A narrow entrance tunnel leads into the main chamber which consists of a flat area with elevated sleeping platforms excavated from snow.
一个狭窄的入口隧道通向主要空间部分，这里是从积雪中高高架起的一个平台。
Based on the wind tunnel tests for large span cantilevered flat roof, the distributing characteristics of mean local shape factor and extreme local shape factor of the roof are studied.
本文结合一大跨悬挑平屋盖模型的风洞试验研究，分析了此类结构屋盖的平均局部体型系数和极值局部体型系数的分布特性；
The opening process of the circle flat parachute with the differential size and the differential vent position of the canopy by the steady flow wind tunnel were dynamic tested.
在改变伞衣面积和透气量的情况下，在定常风洞中对小型平面圆形伞的开伞过程进行了动态试验，研究了开伞过程中伞衣形状和伞衣所受载荷之间的动态关系。
Smooth blasting is an advanced technique which makes the new wall flat and undamaged and important to the fast excavation in rock tunnel, which affects the quality and driving speed of tunnel.
光面爆破是一种使爆出的新壁面保持平整而不受明显破坏的爆破技术，是岩巷快速掘进工艺的重要环节，它严格影响着巷道的质量和成巷速度。
The authors also tested the flat plates with and without the Biblets drag Reduction Film in wind tunnel and compared their fluid drags.
作者在风洞中做了贴及不贴微肋薄膜平板试验对比。
The authors also tested the flat plates with and without the Biblets drag Reduction Film in wind tunnel and compared their fluid drags.
作者在风洞中做了贴及不贴微肋薄膜平板试验对比。
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