This is the most important features of the teaching kit.
这一点是本套教材最重要的特点。
This is the perfect addition to every tool kit.
这是完美的除了每工具包。
Pilots are issued this kit in the event their aircraft is shot down.
飞行员装备了降落伞，以便在飞机被击落时跳伞。
Pilots are issued this kit in the event their aircraft is shot down.
飞行员装备了降落伞，以便在飞机被击落时跳伞。
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