There also are plans to change refueling vehicles into habitats in space once they have been used.

此外，这些公司还计划，一旦燃料补给车投入使用后将其改造为太空栖息地。

Stallmer said a lot of spaceflight companies are studying the idea of space refueling stations. There also are plans to change refueling vehicles into habitats in space once they have been used.

斯托尔默说，很多航天公司都有研究太空补给站的想法。此外，这些公司还在计划一旦太空补给站开始使用，就在太空中将燃料补给车改为太空栖息地。