This requires a concentration of the highest degree. You must constantly watch your instruments to ensure you're on the correct glide path .
这需要高度的精神集中。你必须不断的观察仪表来确定你处在正确的下降航线上。
This requires a concentration of the highest degree. You must constantly watch your instruments to ensure you're on the correct glide path .
这需要高度的精神集中。你必须不断的观察仪表来确定你处在正确的下降航线上。
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