修理哈勃太空望远镜的太空行走计划正在实施当中。

The final space walk to fix the Hubble space telescope is underway.

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建立并完善修理和维护性保养计划，并组织实施。

Set up and upgrading repair and maintenance plan. Lead repairman implement it.

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建立并完善修理和维护性保养计划，并组织实施。

Set up and upgrading repair and maintenance plan. Lead repairman implement it.

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