Writes NASA, not too melodramatically, in a short essay on test pilots: "When it came to launch the never-before-flown space shuttle from the back of a 747, nerves of steel were required yet again."
美国宇航局写入，而不是过于戏剧性地，在一个试飞员的短文：“当它来启动从一个747回，钢铁神经的以前从未被要求航天飞机飞行再次。
Writes NASA, not too melodramatically, in a short essay on test pilots: "When it came to launch the never-before-flown space shuttle from the back of a 747, nerves of steel were required yet again."
美国宇航局写入，而不是过于戏剧性地，在一个试飞员的短文：“当它来启动从一个747回，钢铁神经的以前从未被要求航天飞机飞行再次。
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