名词
中文翻译：预离操作
同义词：
['pre-flight operation', "pre-flight procedure例句：1. The airline's pre-departure operation is crucial for ensuring the smooth departure of passengers.（航空公司的预离操作对于确保乘客顺利登机至关重要。）"]
例句：
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1. The airline's pre-departure operation is crucial for ensuring the smooth departure of passengers.
航空公司的预离操作对于确保乘客顺利登机至关重要。
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2.Before the flight, the crew performs a pre-departure operation to ensure all systems are functioning properly.
飞行前，机组人员进行预离操作，以确保所有系统都正常工作。
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3.During the pre-departure operation, the pilot checks the aircraft's systems and makes any necessary adjustments before departing.
在预离操作期间，飞行员检查飞机系统并进行必要的调整，然后起飞。