NASA plans to use a five-segment shuttle booster as the first stage of its Ares I rocket, one of two being designed as part of the post-shuttle Constellation program.
NASA计划用五级航天飞机助推火箭作为Ares I火箭的第一级，Ares i是淘汰航天飞机后的星座计划使用的两种火箭之一。
Perched on the shoulders of the booster is the second stage, the most powerful hydrogen-fueled rocket ever built .
放在助飞火箭上的是第二节，那是迄今制造的最强大氢燃料火箭。
Examine the spinner, fan blades, and stage 1 booster vanes for evidence of foreignobject damage.
检查整流锥、风扇叶片、增压器第一级静子叶片有无外物击伤的情况。
Examine the spinner, fan blades, and stage 1 booster vanes for evidence of foreignobject damage.
检查整流锥、风扇叶片、增压器第一级静子叶片有无外物击伤的情况。
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