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发表于:2018-04-02
Theairlinerflewabovetheclouds.Theterroristsarethreateningtoblowupthehijackedairliner.Butevenasmallairlinerstillcontainsseveraltonnesofcostlyaerospace-gradetitanium.TheTup...
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发表于:2024-01-04
1、1969ThefirsttrialflightofsupersonicairlinerConcordetookplaceatBristol.2、TheTupolevTu-144isaSovietsupersonicairliner,developedinthe1960s.3、thenewgenerationofsupersoni...
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发表于:2018-05-14
asubsonicjetairlineroperatedovershortdistances.ABoeing747jumbojetairlinerlandsataspeedof160m/s....