The side wall central section, the arch foots and the vault are key parts of the tunnel where should be strengthened to support.
隧道边墙中部、拱肩、拱顶是比较关键的部位，应加强支护。
The two boxes affixed to the left side of the tunnel wall contain the radar, infrared sensor and camera while the sole box on the right wall contains an additional radar sensor.
这两个箱子盖的左侧隧道壁包含雷达、红外传感器和照相机而独家箱的右面墙上包含一个额外的雷达传感器。
This paper presents an investigation on the side wall effect in two -dimensional transonic wind tunnel with sidewall boundary layer suction around the model.
本文对模型周围的侧壁附面层抽吸，研究跨音速二元风洞的侧壁干扰。
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