... left-component || 左侧数，左边部分 left-cut tool || 左切刀，左偏刀 left-hand airscrew || 左旋螺旋桨 ...
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The second-stage engine cut out three minutes too soon, apparently because of a leak caused by a tool left inside it after a test firing two years ago.
ECONOMIST: Sayonara, spaceflight?
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