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Shortly afterwards, I did a third one to repair the robotic arm of the station. This arm plays a very important role in the ongoing expansion of the station as well as in the deployment of solar panels.
不久之后，我又做了第三次，修理空间站的机械臂。这一支臂在不断扩大空间站以及部署太阳能电池板方面发挥着非常重要的作用。