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单选题
359.发动机风扇包皮锁扣的开关顺序( )What is the sequence of the latches to open and close the fan cowls
A
开风扇包皮锁扣顺序为防扭锁,1,3,2,4;关风扇包皮锁扣顺序为1,3,2,4,防扭锁。As open,the sequence is:deflection restraint shoot bolt,No.1,3,2,4latch;as close,the sequence is:No.1,3,2,4latch,deflection restraint shoot bolt.
B
开风扇包皮锁扣顺序为1,3,2,4,防扭锁;关风扇包皮锁扣顺序为防扭锁,1,3,2,4。 As open,the sequence is:No.1,3,2,4latch,deflection restraint shoot bolt;as close,the sequence is:deflection restraint shoot bolt,No.1,3,2,4latch.
C
开风扇包皮锁扣顺序为防扭锁,1,2,3,4;关风扇包皮锁扣顺序为1,2,3,4,防扭锁。 As open,the sequence is:deflection restraint shoot bolt, No.1,2,3,4latch;as close,the sequence is:No.1,2,3,4latch,deflection restraint shoot bolt.
答案解析
正确答案：A
解析：
发动机风扇包皮锁扣的开关顺序
答案解析：根据题目中的描述，问题是要确定开启和关闭发动机风扇包皮锁扣的顺序。正确答案是A选项，即开风扇包皮锁扣顺序为防扭锁,1,3,2,4；关风扇包皮锁扣顺序为1,3,2,4,防扭锁。这是因为A选项提供了明确的顺序描述，涵盖了开启和关闭过程中各个步骤的顺序。
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