Áã¼Ûпȥ³ýË®ÖÐËÄ»·ËصÄÑо¿
º« Ó¨,֣Тƻ,Îâ Ô½,ÁõºêÔ¶,½Çà½Ü,³Â Óæ
(Õã½¹¤Òµ´óѧ ÍÁľ¹¤³ÌѧԺ,Õã½ º¼ÖÝ 310023)
ËÄ»·ËØ(Tetracycline,TC)¶àÒÔÑÎËáÑÎÐÎʽ´æÔÚ,ÊÇÒ©Æ·ºÍ¸öÈË»¤ÀíÓÃÆ·(PPCPs)ÖÐÒ»ÖÖÓ¦ÓýϹãµÄÎïÖÊ¡£ÓÉÓÚÆä¹ãÆ׸ßЧ,¶à±»Ó¦ÓÃÓÚÒ½ÁƼ²²¡¾ÈÖΡ¢ÐóÄÁÒµÑøÖ³¿¹¾úºÍ¶¯ÎïÉú³¤´Ù½øµÈ[1]¡£È»¶ø¸ÃÎïÖÊÄÑÒÔÉúÎï½µ½â,Ò×ͨ¹ýʳÎïÁ´Ñ»·ºÍ¸»¼¯,Æä½Ï¹ãµÄ¿¹¾úÐÔ»áÓÕµ¼Ï¸¾ú²úÉúÄÍÒ©ÐÔ[2],²»½öÓ°Ï춯ֲÎïÉú̬ϵͳƽºâ,Ò²»áÆÆ»µÈËÀ࿹¾úÃâÒßÁ¦,¸øÈËÀ๫¹²ÎÀÉú°²È«Ôì³ÉÍþв¡£Ä¿Ç°µÄÑо¿±íÃ÷:Îü¸½·¨¶ÔËÄ»·ËØÀ࿹ÉúËصĴ¦ÀíËäÈ»ÔÚЧ¹û¡¢ËٶȻò³É±¾É϶¼ÓÐÒ»¶¨ÓÅÊÆ,µ«Îü¸½¼Á¶àÒÔÍÁÈÀ»ò¸ÄÐÔÍÁÈÀΪÖ÷,¿¹ÉúËضÔÍÁÈÀÖÐ΢ÉúÎï¡¢Ö²Îï¾ßÓÐÆÆ»µ×÷ÓᣲÙ×÷¼òÒ×µÄÁã¼Û½ðÊô¼¼ÊõÔÚÈ¥³ý¿¹ÉúËØ·½Ãæ¾ßÓÐÁ¼ºÃµÄÓ¦ÓÃÇ°¾°,Ôø±¨µÀÁã¼ÛÌú¶ÔTC¾ßÓÐÁ¼ºÃµÄÈ¥³ýЧ¹û,ÇÒÔÚÖÐÐÔÌõ¼þÏÂÖ÷Òª»úÖÆΪÎü¸½×÷ÓÃ[3]¡£Áã¼Ûп(Zero valent zinc,ZVZ)ÓëÁã¼ÛÌúÊÇͬÖÜÆÚ¹ý¶É½ðÊô,Æä·´Ó¦µçÊÆÏà½ÏÁã¼ÛÌú¸üµÍ[4],Òò´Ë¶ÔһЩÄѽµ½âÎÛȾÎïÈ¥³ýÄÜÁ¦¸üÇ¿,Ч¹û¸üºÃ,Ä¿Ç°¹úÄÚÍâÑо¿ÖÐÉÐδÓÐÁã¼Ûпȥ³ýË®ÖÐTCµÄ±¨µÀ¡£
±ÊÕß²ÉÓÃÁã¼Ûпȥ³ýË®ÖÐTC,½áºÏ²úÎï·ÖÎöºÍ¹ÌÌå±íÕ÷È·¶¨·´Ó¦»úÀí,·ÖÎö·´Ó¦¶¯¡¢ÈÈÁ¦Ñ§,¿¼²ì¸÷Ó°ÏìÒòËغÍÔÙÉúÀûÓÃÐÔÄÜ,ÕÆÎÕ·´Ó¦»ù±¾¹æÂÉ,´Ó¶øΪ¿ØÖÆË®ÖÐTCÌṩÓÐЧ´¦Àí·½·¨,ͬʱÍØ¿íÁã¼ÛпµÄÓ¦Ó÷¶Î§,ΪÁã¼Ûп¼¼ÊõÓ¦ÓÃÓÚÈ¥³ýË®ÖÐÓлúÎÛȾÎïÌṩÊý¾Ý»ù´¡ºÍÀíÂÛÒÀ¾Ý¡£
1.1 ÊÔ¼ÁÓëÒÇÆ÷
Ö÷ÒªÊÔ¼Á:ÑÎËáËÄ»·ËØ(C22H24N2O8¡¤HCl),ÃÀ¹úÒ©µäÒ©Óü¶;п·Û,·ÖÎö´¿,´¿¶È¡Ý90%;ÑÎËá,·ÖÎö´¿;ÇâÑõ»¯ÄÆ,·ÖÎö´¿,´¿¶È¡Ý96%;ÒÒËá,·ÖÎö´¿,´¿¶È¡Ý99.5%;¼×´¼,´¿¶È¡Ý99.9%;ÒÒëæ,´¿¶È¡Ý99.9%¡£ÑÎËáËÄ»·ËصķÖ×ӽṹΪ
Ö÷ÒªÒÇÆ÷:QB-328ÐýתÅàÑøÆ÷,º£ÃÅÆäÁÖ±´¶ûÒÇÆ÷ÖÆÔìÓÐÏÞ¹«Ë¾;LC-20A¸ßЧҺÏàÉ«Æ×ÒÇ,ÈÕ±¾µº½ò¹«Ë¾;SPX-250B-ZÉú»¯ÅàÑøÏä,ÉϺ£²©Ñ¸ÊµÒµÓÐÏÞ¹«Ë¾Ò½ÁÆÉ豸³§;SHB-¢òAÑ»·Ë®Ê½¶àÓÃÕæ¿Õ±Ã,ºÓÄÏÊ¡Ì«¿µ¿Æ½ÌÆ÷²Ä³§;DGH-9626AµçÈȺãιķç¸ÉÔïÏä,ÉϺ£¾«ºêʵÑéÉ豸ÓÐÏÞ¹«Ë¾;6210 LC/TOFÒºÏàÉ«Æ×-6210·ÉÐÐʱ¼äÖÊÆ×ÁªÓÃÒÇ,ÃÀ¹úAgilent¹«Ë¾;X¡äPert Pro XÉäÏßÑÜÉäÒÇ,ºÉÀ¼ÅÁÄɿƹ«Ë¾;Nicolet 6700¸µÀïÒ¶±ä»»ÏÔ΢ºìÍâ¹âÆ×ÒÇ,ÃÀ¹úThermo¹«Ë¾¡£
1.2 ʵÑé·½·¨
Îü¸½ÊµÑéÔÚһϵÁÐ8 mL×ØÉ«ÝÍÈ¡Æ¿ÖнøÐÐ,ÒÀ´ÎÏò·´Ó¦Æ¿ÖмÓÈë5 g/LµÄп·Û¡¢8 mLÈ¥Àë×ÓË®¼°Ò»¶¨Á¿TCĸҺʹÆä³õʼÖÊÁ¿Å¨¶ÈΪ500 ¦Ìg/L,¸Ç½ôÆ¿¸Ç,·ÅÖÃÔÚÐýתÅàÑøÆ÷ÉÏÒÔ45 r/minµÄתËÙÐýת¡£±¾ÊµÑéÒ»°ãÔÚ³£ÎÂϽøÐÐ,ζÈΪ25 ¡æ¡£ÔÚ·´Ó¦Î¶ÈΪ30,40 ¡æʱÀûÓÃÉú»¯ÅàÑøÏä¿ØÖÆ·´Ó¦Î¶ȡ£Ò»¶¨Ê±¼äºó(±¾ÊµÑéÈ¡Ñùʱ¼ä·Ö±ðΪ10,30,60,120,180,360 min),ÓÃÕë¹Ü³éÈ¡·´Ó¦ºóÈÜÒº,²¢Í¨¹ý0.45 ¦ÌmµÄÂËĤ½øÐÐѹÂË,·´Ó¦ÖÕÖ¹,ͨ¹ýÒºÏàÉ«Æ×ÒǶÔѹÂ˺óË®ÑùÖеÄTCÖÊÁ¿Å¨¶È½øÐвâÊÔ¡£ÓÃÒ»¶¨Å¨¶ÈµÄNaOH»òHClµ÷½ÚÈÜÒºpH,·ÅÖñ¸Óá£ÊµÑéÓÃˮΪȥÀë×ÓË®,³õʼpHΪ6.5¡£
ZVZÔÚtʱ¿ÌµÄÎü¸½Á¿qtÒÔ¼°Æ½ºâÎü¸½Á¿qeµÄ¼ÆËãʽ·Ö±ðΪ
(1)
(2)
ʽÖÐ:qt,qe·Ö±ðΪtʱ¿ÌºÍÎü¸½Æ½ºâʱµÄÎü¸½Á¿,mg/g;c0,ct·Ö±ðΪ³õʼºÍtʱ¿ÌTCµÄÖÊÁ¿Å¨¶È,mg/L;ceΪTCµÄƽºâÖÊÁ¿Å¨¶È,mg/L;VΪ·´Ó¦ÒºµÄÌå»ý,L;mΪÎü¸½¼ÁµÄÖÊÁ¿,g¡£
1.3 ·ÖÎö·½·¨
ÈÜÒºÖÐTCµÄÖÊÁ¿Å¨¶È²ÉÓøßЧҺÏàÉ«Æ×·¨½øÐмì²â,ʹÓð²½ÝÂ×ZORBAX Eclipse XDB-C18É«Æ×Öù(4.6 mm¡Á150 mm,5 ¦Ìm),²ÉÓÃŨ¶ÈΪ0.01 mol/LµÄV(²ÝËá)¡ÃV(ÒÒëæ)=75¡Ã25ΪÁ÷¶¯Ïà,¼ì²â²¨³¤Îª360 nm,Á÷ËÙÉ趨Ϊ1 mL/min,½øÑùÌå»ýΪ100 ¦ÌL¡£
TC½µ½â²úÎï²ÉÓÃAgilent 1200ÒºÏàÉ«Æ×-6210·ÉÐÐʱ¼äÖÊÆ×ÁªÓÃÒǽøÐзÖÎö,ʹÓð²½ÝÂ×ZORBAX Eclipse XDB-C18É«Æ×Öù(4.6 mm¡Á150 mm,5 ¦Ìm),²ÉÓÃÖÊÁ¿·ÖÊýΪ0.1%µÄ¼×ËáºÍÒÒëæΪÁ÷¶¯Ïà½øÐÐÌݶÈÏ´ÍÑ,10 minÄÚÏßÐÔÔö³¤ÖÁÖÊÁ¿·ÖÊýΪ0.1%µÄV(²ÝËá)¡ÃV(ÒÒëæ)=65¡Ã35,±£³Ö10 min,2 minÄÚÏßÐÔ½µµÍÖÁÖÊÁ¿·ÖÊýΪ0.1%µÄV(²ÝËá)¡ÃV(ÒÒëæ)=95¡Ã5,±£³Ö3 min,ÖÁ25 min½áÊø,²ÉÓÃm/zȫɨÃè¡£
²ÉÓúÉÀ¼ÅÁÄɿƹ«Ë¾XÉäÏßÑÜÉäÒÇ(X¡äPertPRO)¶Ô·´Ó¦Ç°ºó¹ÌÌå·ÛÄ©µÄ¾§Ìå½á¹¹½øÐÐXÉäÏßÑÜÉä(XRD)²â¶¨,ËùµÃÊý¾Ýͨ¹ýJadeÈí¼þ·ÖÎö¡£²ÉÓÃÃÀ¹úThermo¹«Ë¾µÄ¸µÀïÒ¶±ä»»ÏÔ΢ºìÍâ¹âÆ×ÒÇ(Nicolet 6700)¶Ô·´Ó¦Ç°ºó¹ÌÌå·ÛÄ©½øÐкìÍⲨÆײⶨ¡£
2.1 ·´Ó¦»úÀí̽¾¿
2.1.1 ZVZ¶ÔTCµÄÈ¥³ýЧ¹û
ÔÚ25 ¡æÏÂ,ÔÚTCÖÊÁ¿Å¨¶ÈΪ500 ¦Ìg/LµÄË®ÈÜÒºÖзֱðͶ¼Ó1,2,5,8,10 g/LµÄZVZ,ʵÑéÖظ´3´Î¡£TCµÄÈ¥³ýÇé¿öÈçͼ1Ëùʾ,Îó²îÏß±íʾ±ê׼ƫ²î¡£ÓÉͼ1¿ÉÖª:TCÖÊÁ¿Å¨¶ÈËæʱ¼äµÄÔö¼ÓÖð½¥½µµÍ,TCµÄÈ¥³ýÂÊËæZVZͶ¼ÓÁ¿µÄÔö¼Ó¶øÌá¸ß¡£ÔÚ·´Ó¦360 minʱ,1,2,5,8,10 g/LµÄZVZ¶ÔTCµÄÈ¥³ýÂÊ·Ö±ðΪ80.33%,89.80%,99.59%,99.4%,99.65%,Óɴ˱íÃ÷ZVZÄܹ»ÓÐЧȥ³ýTC¡£ÔÚ·´Ó¦180 minʱ,5,8,10 g/LµÄZVZ¶ÔTCµÄÈ¥³ýÂÊ·Ö±ðΪ98.93%,98.48%,99.42%,·´Ó¦ÒѴﵽƽÎÈÆÚÇÒÈ¥³ýÂʽϸß,Óɴ˱íÃ÷µ±Í¶¼ÓÁ¿´ïµ½5 g/Lʱ,ZVZÄܹ»¿ìËÙÈ¥³ýË®ÖеÄTC,ÔÙÌá¸ßͶ¼ÓÁ¿ÒâÒå²»´ó,Òò´ËÑ¡È¡ZVZͶ¼ÓÁ¿Îª5 g/L¡£
ͼ1 ²»Í¬Í¶¼ÓÁ¿ZVZ¶ÔTCµÄÈ¥³ýЧ¹ûFig.1 Removal of TC by different dosages of ZVZ
2.1.2 ²úÎï²âÊÔ·ÖÎö
ÓÉÓÚZVZ¾ßÓнÏÇ¿µÄ»¹ÔÐÔ,TC¿ÉÄܱ»ZVZ»¹ÔÉú³É²úÎΪȷ¶¨·´Ó¦»úÀí,ÀûÓÃLC-MS¶Ô·´Ó¦Ç°ºóÒºÌå½øÐвúÎï·ÖÎö²âÊÔ,½á¹ûÈçͼ2Ëùʾ¡£Í¼2(a,b)·Ö±ðΪ·´Ó¦Ç°¡¢·´Ó¦360 minºóÒºÌåµÄÖÊÆ×ͼ¡£´Óͼ2(a)¿ÉÒÔ¿´µ½±ê×¼TCµÄm/zΪ445.2,¶Ô±Èͼ2(a,b)¿ÉÒÔ·¢ÏÖ·´Ó¦360 minºóm/zΪ445.2µÄ·åÈÔΪTCµÄÌØÕ÷·Ö×ÓÀë×Ó·å¡£ÔÚ»¹Ô¹ý³ÌÖÐÓÉÓÚTCµÄ»·×´½á¹¹ÄÑÒÔ´ò¿ª,»¹Ô¹ý³ÌÖÐÍÑÂäµÄΪÆäÖ§Á´ÉϵĹÙÄÜÍÅ[5],¶øËÄ»·ËØ»·×´½á¹¹µÄm/zΪ254,ËùÒÔͼ2(b)ÖÐm/zΪ212.1µÄ·å²»ÊÇTCµÄ»¹Ô²úÎï¡£Òò´Ë,·´Ó¦ºóδ³öÏÖ»¹Ô²úÎï,·´Ó¦»úÀí²»ÊÇ»¹Ô¡£
ͼ2 ·´Ó¦Ç°TC±êÑùºÍ·´Ó¦360 minºóÑùÆ·µÄm/zFig.2 m/z of TC standard sample before reaction and sample after 360 min reaction
2.1.3 FT-IR
ͼ3 ·´Ó¦Ç°ºóÑùÆ··ÛÄ©µÄFT-IRͼFig.3 FT-IR spectra of sample powder beforeand after the reaction
2.2 Îü¸½¶¯Á¦Ñ§
±í1 ×¼Ò»¡¢¶þ¼¶¶¯Á¦Ñ§ÏßÐÔÄâºÏµÄ¶¯Á¦Ñ§²ÎÊý¼°Ïà¹ØϵÊý
2.3 µÈÎÂÎü¸½Ïß
ͼ5 ²»Í¬Î¶ÈÏÂZVZÎü¸½TCµÄÁ½ÖÖÎü¸½µÈÎÂÏßFig.5 Two adsorption isotherms of TC adsorptionby ZVZ at different temperatures
±í2 ²»Í¬Î¶ÈϵÄLangmuirºÍFreundlichÎü¸½µÈη½³Ì²ÎÊý
2.4 Îü¸½ÈÈÁ¦Ñ§
ÈÈÁ¦Ñ§²ÎÊý¿ÉÓÃÀ´ÅжÏÎü¸½¹ý³ÌµÄÈÈÁ¿±ä»¯Çé¿ö,ͨ¹ý¼ÆËã¿ÉÇóµÃ¼ª²¼Ë¹×ÔÓÉÄܱ仯¦¤G¦È¡¢ìر䦤S¦ÈºÍìʱ䦤H¦È¡£Í¨¹ý¶ÔÈÈÁ¦Ñ§ÐÔÖʵÄ̽¾¿À´È·¶¨ZVZ¶ÔTCµÄÎü¸½¹ý³ÌÊÇ·ñ×Ô·¢½øÐС£ÈÈÁ¦Ñ§²ÎÊýµÄ¼ÆËã·½·¨Îª
¦¤G¦È=-RTlnKd
(3)
(4)
ʽÖÐ:¦¤G¦ÈΪ¼ª²¼Ë¹×ÔÓÉÄܱä,kJ/mol;¦¤H¦ÈΪìʱä,J/mol;¦¤S¦ÈΪìرä,kJ/(mol¡¤K);TΪ·´Ó¦ÌåϵµÄÈÈÁ¦Ñ§Î¶È,K;RΪÆøÌå³£Êý,ÆäֵΪ8.314 J/(mol¡¤K);KdΪÎü¸½ÖÊÔÚ¹ÌÒºÁ½ÏàÖеķÖÅäϵÊý,mL/g¡£
ZVZÎü¸½TCµÄÈÈÁ¦Ñ§²ÎÊý¼û±í3¡£Óɱí3¿ÉÖª:¼ÆËãµÃµ½µÄ¦¤G¦È,¦¤H¦È,¦¤S¦È¾ùΪ¸ºÖµ,˵Ã÷ZVZ¶ÔTCµÄÎü¸½¹ý³ÌÊÇ·ÅÈȵÄ;¦¤G¦ÈÖµÊǸºÖµ,˵Ã÷ZVZ¶ÔTCµÄÎü¸½ÊÇ×Ô·¢½øÐеÄ;¦¤S¦ÈΪ¸ºÖµ,±íÃ÷¹ÌÒº½çÃæÉÏ·Ö×ÓÔ˶¯µÄËæ»úÐÔËæ×ÅÎü¸½¹ý³ÌµÄ½øÐжøÖð½¥¼õС[12],Îü¸½Ç÷ÓÚÎȶ¨[13]¡£
±í3 ZVZÎü¸½TCµÄÈÈÁ¦Ñ§²ÎÊý
2.5 Áã¼Ûпȥ³ýËÄ»·ËصÄÓ°ÏìÒòËØ
2.5.1 pHµÄÓ°Ïì
²»Í¬pHÏÂZVZÈ¥³ýTCµÄÇé¿öÈçͼ6Ëùʾ,ʵÑéÖظ´3´Î,Îó²îÏß±íʾ±ê׼ƫ²î¡£ÓÉͼ6¿ÉÖªpHÔ½µÍÈ¥³ýЧ¹ûÔ½ºÃ¡£TCÊÇÒ»ÖÖÁ½ÐÔÓлú·Ö×Ó,µ±pH<3.3ʱΪÑôÀë×Ó,µ±3.3
ͼ6 pHµÄÓ°ÏìFig.6 Effect of pH value
2.5.2 Ë®Öг£¼ûÒõ¡¢ÑôÀë×ÓµÄÓ°Ïì
ͼ7 Ë®Öг£¼ûÒõÀë×ÓºÍÑôÀë×ÓµÄÓ°ÏìFig.7 Effect of common anions and cations in water
2.6 ZVZµÄÔÙÉúÀûÓÃÐÔÄÜ
ÔÙÉúÀûÓÃÐÔÄÜÊÇ¿¼²ìÎü¸½¼ÁÐÔÄܵÄÖØÒªÖ¸±ê¡£±ÊÕß½«´ïµ½Îü¸½Æ½ºâµÄZVZͨ¹ý³éÂË·ÖÀë³öÈÜÒºÌåϵ,²â¶¨ÈÜÒºÖÐTCµÄÖÊÁ¿Å¨¶È¡£ÓÃ95%¼×´¼ºÍ5%ÒÒËá×÷Ϊ½âÎüÒº¶Ô·ÖÀë³öµÄZVZ½øÐнâÎü,½âÎü10 minºó,ÓÃÈ¥Àë×ÓË®³åÏ´ZVZ²¢×ÔÈ»·ç¸É,½«´¦ÀíÍêµÄZVZÓÃÓÚTCÎü¸½ÊµÑé,ÉÏÊöÎü¸½-½âÎü¹ý³ÌÖظ´5´Î,Ñо¿ZVZµÄÔÙÉúÀûÓÃÐÔÄÜ¡£
ZVZµÄÔÙÉúÀûÓÃÐÔÄÜÈçͼ8Ëùʾ¡£ÓÉͼ8¿ÉÖª:ÔÚ5´ÎÎü¸½-½âÎüÑ»·ÖÐ,ZVZ¶ÔTCµÄÈ¥³ýÂʱ£³ÖÔÚ96%ÒÔÉÏ,±íÃ÷ZVZ¾ßÓнϺõÄÔÙÉúÀûÓÃÐÔÄÜ,ÊÇÒ»ÖÖºÜÓÐÇ°¾°µÄËÄ»·ËØÎü¸½²ÄÁÏ¡£
ͼ8 ZVZµÄÔÙÉúÀûÓÃÐÔÄÜFig.8 Regeneration performance of ZVZ
²ÂÄãϲ»¶ Ͷ¼ÓÁ¿ÈÈÁ¦Ñ§ÒÒëæ ¸ß´¿ÒÒëæÌá´¿¾«Öƹ¤ÒÕ½ÚÄÜÓÅ»¯·½°¸Ãº»¯¹¤(2022Äê3ÆÚ)2022-07-08Á˽â¹ÌÌåºÍÒºÌåÌØÐÔ ÕÆÎÕÈÈÁ¦Ñ§¶¨ÂÉÄÚÈÝÖÐѧÉúÊýÀí»¯(¸ßÖаæ.¸ß¿¼Àí»¯)(2022Äê5ÆÚ)2022-06-01»ìÄý³Áµí´¦ÀíÉú»îÎÛË®µÄʵÑéÑо¿ÂÌÉ«¿Æ¼¼(2022Äê8ÆÚ)2022-05-25ÒÒëæÔÚʯīϩ¼«°å±íÃæµÄ·Ö×Ó¶¯Á¦Ñ§Ä£Äâ*ÖÐɽ´óѧѧ±¨(×ÔÈ»¿Æѧ°æ)(ÖÐÓ¢ÎÄ)(2022Äê2ÆÚ)2022-04-12ÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉÒ×»ìÒ×´íÆÊÎöÖÐѧÉúÊýÀí»¯(¸ßÖаæ.¸ß¿¼Àí»¯)(2021Äê5ÆÚ)2021-07-16´Å¼ÓÔØ»ìÄý¹¤ÒÕ²ÎÊýÓÅ»¯ÊÔÑéÑо¿¿Æ¼¼´´ÐÂÓëÓ¦ÓÃ(2020Äê26ÆÚ)2020-12-24´ÎÂÈËáÄÆÈÜÒº¶ÔÎÛË®´¦Àí³§³öˮˮÖʵÄÓ°ÏìÖйú·¿µØ²úÒµ¡¤ÏÂÑ®(2017Äê1ÆÚ)2017-10-20»ìÄýʵÑéÌõ¼þÏ»ìÄý¼Á×î¼ÑͶ¼ÓÁ¿µÄÑо¿°²»Õũѧͨ±¨(2015Äê2ÆÚ)2015-02-12BMW¹«Ë¾3¸×Ö±½ÓÅçÉäÆûÓÍ»úµÄÈÈÁ¦Ñ§Æû³µÓëж¯Á¦(2014Äê4ÆÚ)2014-02-27Audi½Î³µÓÃÐÂÐÍV8ÔöѹȼÓÍ·Ö²ãÅçÉäÆûÓÍ»ú£¨µÚ2²¿·Ö£©¡ª¡ªÈÈÁ¦Ñ§¼°ÆäÓ¦ÓÃÆû³µÓëж¯Á¦(2014Äê2ÆÚ)2014-02-27