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单选题
缓慢地把RAT完全放出，并确保它不接触其他部件。
A
Slowly and fully extend the RAT and make sure that it does not touch other parts.
B
Quickly and fully retract the RAT and make sure that it does not touch other parts.
C
Slowly and carefully extend the RAT and make sure that it does not attach to other parts.
答案解析
正确答案：A
相关知识点：
缓慢全放RAT，确保不触他件
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