Chocks inserted, landing gear safety pins inserted, ground power unit on, release brakes, Please.

挡好，起落架安全销已插好，地面电源接好，请松刹车。

youdao

In the image above, you will notice that the airplane is connected to ground power, ground air conditioning and a ground air-start unit.

在上图中，你会发现这架飞机地面电源相连，地面空调和地面空气启动装置。

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