他们失事的还少吗?
关键还是话语权吧
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要看失事原因是不是飞机设计,很多失事是外在原因。
-fourwaves-
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05/05/2017 postreply
15:48:10
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由谁来说?
-三笑-
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05/05/2017 postreply
15:57:19
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由专家组成的权威调查机构
-fourwaves-
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05/05/2017 postreply
16:41:41
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