他们说卫星没有安装增压机制用以校正轨道。

They said the satellite did not have a booster mechanism to correct its trajectory.

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升降器是安装在天花板上的轨道。

The hoist is fitted to a track on the ceiling.

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你们可以看到安装在卡车和轨道车辆上的可移动工厂。

Here you see both truck and rail car-mounted mobile factories.

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你们可以看到安装在卡车和轨道车辆上的可移动工厂。

Here you see both truck and rail car-mounted mobile factories.

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