100kPa 17℃的空气在压气机内绝热压缩到400kPa 然后进入喷管绝热膨胀 回复到100kPa(如图所示)。
100kPa、17℃的空气在压气机内绝热压缩到400kPa,然后进入喷管绝热膨胀,回复到100kPa(如图所示)。
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正确答案:bsp; SPANNAMEMATHSTTLEFTFRACPPRIGHTFRACKAPPAKAPPAKTIMESLEFTFRACKPAKPARIGHTFRACKSPANQHWSUBTSUBWSUBCSUBWSUBTSUBHSUBSUBHSUBSUBCSUBPSUBTSUBSUBTSUBSUBKJKGKKKKJKGPSUBSUBPSUBSUBSSUBSUBSSUBSUBSSUBSUBCSUBFSUBSPANNAMEMATHSHFRACCFHFRACCFSPANSPANNAMEMATHSCFSQRTHHSQRTHHSPANSPANNAMEMATHSSQRTWCSQRTTIMESJKGMSSPAN$SSUBSUBSSUBSUBSSUBGSUBSPANNAMEMATHSWCFRACWCSETACSSPANSPANNAMEMATHSFRACKJKGKJKGSPANWSUBCSUBHSUBSUBHSUBSUBCSUBPSUBTSUBSUBTSUBSUBSPANNAMEMATHSWCFRACWCAETACSFRACKJKGKJKGSPANSSUBSUBSSUBSUBSSUBGSUBSPANNAMEMATHSTTLEFTFRACPPRIGHTFRACKAPPAKAPPASPANSPANNAMEMATHSKTIMESLEFTFRACKPAKPARIGHTFRACKSPANSPANNAMEMATHSCFSQRTHHSQRTCPTTSPANSPANNAMEMATHSSQRTTIMESJKGCDOTKTIMESKKMSSPANSPANNAMEMATHSCFPHICFTIMESMSMSSPANSPANNAMEMATHSTTFRACCFCPKFRACMSTIMESJKGCDOTKKSPAN
