To reduce the air resistance, all of the fuel boxes will be discarded after the fuel is used.The escape tower and cowling piece are also discarded after they finish their tasks.

 
  • 因此航天員在穿好航天服以后,必須在氣閘艙內充分吸氧,協(xié)助工作的航天員回到內艙(即軌道艙),關(guān)閉內艙門(mén),然后氣閘艙開(kāi)始泄壓到真空,與飛船外的真空狀態(tài)保持一致,此時(shí)航天員可以出艙活動(dòng)。
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