This was the second of three spacewalks in the coolant tank replacement process.

更换冷却液罐的整个过程要进行3次太空行走，这是第2次。

youdao

This was the second of three spacewalks in the coolant tank replacement process.

更换冷却液罐的整个过程要进行3次太空行走，这是第2次。

youdao