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哥伦比亚号航天飞机3月22日美国东部时间上午11时(北京时间午夜12时)从肯尼迪空间中心第三次成功起飞,顺利进入预定轨道。由于地面设备一个加热器的问题使发射时间推迟了一个小时。发射7分钟后,第三号液压动力系统的温度过高,宇航员将其关闭,据说这不会影响整个飞行计划。该系统是航天飞机起飞和降落期间使用的三个辅助动力系统之一,只要有两个甚至有一个运转正常就能保证
The space shuttle Columbia took off its third successful flight from the Kennedy Space Center at 11.00 a.m. EST on January 22 (midnight Beijing time) and entered the planned orbit successfully. The launch time was delayed by one hour due to a heater on the ground equipment. Seven minutes after launch, the third hydraulic power system was over temperature and the astronauts shut it down, which is said to not affect the entire flight plan. The system is one of the three ancillary power systems used during the take-off and landing of a space shuttle as long as two or even one are in place to ensure