runway threshold
基本解释
- 跑道进口
英汉例句
- Witnesses said that the aircraft apparently impacted a Fed-Ex semi truck traveling on U. S. 131 just a short distance from the runway threshold.
目击者称，貌似飞机撞到了一辆行驶在131号公路上得半挂卡车，当时卡车位于跑道入口附近。 - IS the parenthetical figure following DH, DA or MDA which, when added to the touchdown zone, runway end, or threshold elevation, will give the DH, DA or MDA in feet above mean sea level.
决断高度或最低下降高度后括号中的数值。它与接地区、跑道顶端、或跑道头标高相加后即是决断高度（DA，DH）或最低下降高度（MDA）高于平均海平面英尺数。
双语例句
词组短语
- runway approach threshold 跑道进场端
- Runway threshold identification lights 头識别灯
- runway threshold detail 跑道进口
- runway threshold light 跑道入口灯
- Runway threshold marking 跑道末端标志
短语
专业释义
- 跑道进口
- 跑道入口