关键词: 轨道航天站;空中加油;述评

Abstract: The on-orbit refuelling service is very important for a permanent space station.Based on the current development in this are in foreign countries, the advanced on-orbit refuelling technology for space station, characteristics of refuelling in space and possible implement concepts are introduced in the paper. Finally, difficulties of on-orbit refuelling technology are discussed.

Key words: Orbit space station;Flight refuelling;Review