三个宇航员紧张地工作着，他们手握操纵杆，以防一旦计算机出现故障，就可以手工操纵。
The three astronauts working nervously, they're holding the joystick, in case the computer failure, can be manually operated.
三个宇航员紧张地工作着，他们手握操纵杆，以防一旦计算机出现故障，就可以手工操纵。
The three astronauts working nervously, they're holding the joystick, in case the computer failure, can be manually operated.
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