After take-off maintain runway heading and climb to900 m.

起飞后，保持跑道航向爬升到900米。

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With the engines running, the 747-400 burns far more fuel than it needs to as it waits in line behind 20 or so other aircraft heading for the runway.

在排队等待前面20架飞机冲向跑道的过程中，这架747 - 400的引擎需要持续运作，因而比其他飞机所需要的燃料更多。

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But we need to use rudder to correct our heading in line with the runway at the right moment of touchdown or we will run out of runway.

在接地的一瞬间，利用方向舵控制飞机使机头指向与中心线重合，以防止飞机冲出跑道。

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