... vertical tail plane 水平安定面 upper vertical tail 上垂直尾翼 vertical tail unit 垂直尾翼组 ...
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The forces on the lifting lug in the upper and tail of the vertical vessel were analyzed, and the strength calculation and formula were presented.
分析了直立设备的顶部吊耳及尾部吊耳的受力，提出了其强度核算的方法及公式。
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