ÌâÄ¿ÄÚÈÝ

¼×ËᣨHCOOH£©ÊÇÒ»ÖÖÓд̼¤³ôζµÄÎÞÉ«ÒºÌ壬ÓкÜÇ¿µÄ¸¯Ê´ÐÔ¡£ÈÛµã8.4¡æ£¬·Ðµã100.7¡æ£¬ÄÜÓëË®¡¢ÒÒ´¼»¥ÈÜ£¬¼ÓÈÈÖÁ160¡æ¼´·Ö½â³É¶þÑõ»¯Ì¼ºÍÇâÆø¡£

£¨1£©ÊµÑéÊÒ¿ÉÓü×ËáÓëŨÁòËá¹²ÈÈÖƱ¸Ò»Ñõ»¯Ì¼£ºHCOOHŨÁòËá========H2O+CO¡ü£¬ÊµÑéµÄ²¿·Ö×°ÖÃÈçÏÂͼËùʾ¡£ÖƱ¸Ê±ÏȼÓÈÈŨÁòËáÖÁ80¡æ¡ª90¡æ£¬ÔÙÖðµÎµÎÈë¼×Ëá¡£

¢ñÖƱ¸CO      ¢ò         ¢óÊÕ¼¯CO

¢Ù´ÓÏÂͼÌôÑ¡ËùÐèµÄÒÇÆ÷£¬»­³ö¢ñÖÐËùȱµÄÆøÌå·¢Éú×°Öã¨Ìí¼Ó±ØÒªµÄÈû×Ó¡¢²£Á§¹Ü¡¢½ºÆ¤¹Ü£¬¹Ì¶¨×°Öò»Óû­£©£¬²¢±êÃ÷ÈÝÆ÷ÖеÄÊÔ¼Á¡£

                           

·ÖҺ©¶·  ³¤¾±Â©¶·     ÕôÁóÉÕÆ¿     ¼¯ÆøÆ¿    ζȼÆ

¢Ú×°ÖâòµÄ×÷ÓÃÊÇ                                         ¡£

£¨2£©ÊµÑéÊÒ¿ÉÓü×ËáÖƱ¸¼×ËáÍ­¡£Æä·½·¨ÊÇÏÈÓÃÁòËáÍ­ºÍ̼ËáÇâÄÆ×÷ÓÃÖƵüîʽ̼ËáÍ­£¬È»ºóÔÙÓë¼×Ëá³âÖƵÃËÄË®¼×ËáÍ­[Cu£¨HCOO£©2¡¤4H2O]¾§Ìå¡£Ïà¹ØµÄ»¯Ñ§·½³ÌʽÊÇ£º

2CuSO4+4 NaHCO3== Cu£¨OH£©2¡¤CuCO3¡ý+3CO2¡ü+2Na2SO4+H2O

  Cu£¨OH£©2¡¤CuCO3+4HCOOH+ 5H2O==2 Cu£¨HCOO£©2¡¤4H2O+ CO2¡ü

ʵÑé²½ÖèÈçÏ£º

¢ñ¡¢¼îʽ̼ËáÍ­µÄÖƱ¸£º

¢Û²½Ö袡Êǽ«Ò»¶¨Á¿CuSO4¡¤5H2O¾§ÌåºÍNaHCO3¹ÌÌåÒ»Æð·Åµ½Ñв§ÖÐÑÐÄ¥£¬ÆäÄ¿µÄÊÇ        ¡£

¢Ü²½Ö袢ÊÇÔÚ½Á°èϽ«¹ÌÌå»ìºÏÎï·Ö¶à´Î»ºÂý¼ÓÈëÈÈË®ÖУ¬·´Ó¦Î¶ȿØÖÆÔÚ70¡æ¡ª80¡æ£¬Èç¹û¿´µ½            £¨ÌîдʵÑéÏÖÏ󣩣¬ËµÃ÷ζȹý¸ß¡£

¢ò¡¢¼×ËáÍ­µÄÖƱ¸£º

½«Cu£¨OH£©2¡¤CuCO3¹ÌÌå·ÅÈëÉÕ±­ÖУ¬¼ÓÈëÒ»¶¨Á¿ÈȵÄÕôÁóË®£¬ÔÙÖðµÎ¼ÓÈë¼×ËáÖÁ¼îʽ̼ËáÍ­Ç¡ºÃÈ«²¿Èܽ⣬³ÃÈȹýÂ˳ýÈ¥ÉÙÁ¿²»ÈÜÐÔÔÓÖÊ¡£ÔÚͨ·ç³÷ÖÐÕô·¢ÂËÒºÖÁÔ­Ìå»ýµÄ1/3ʱ£¬ÀäÈ´Îö³ö¾§Ì壬¹ýÂË£¬ÔÙÓÃÉÙÁ¿ÎÞË®ÒÒ´¼Ï´µÓ¾§Ìå2¡ª3´Î£¬ÁÀ¸É£¬µÃµ½²úÆ·¡£

¢Ý¡°³ÃÈȹýÂË¡±ÖУ¬±ØÐë¡°³ÃÈÈ¡±µÄÔ­ÒòÊÇ                                 ¡£

¢ÞÓÃÒÒ´¼Ï´µÓ¾§ÌåµÄÄ¿µÄÊÇ                                               ¡£

¢Ù£¨2·Ö£©ÒÇÆ÷Ñ¡ÔñÕýÈ·²¢±êʱҺÌå1·Ö£¬Î¶ȼÆË®ÒøÇòµÄλÖÃ1·Ö

¢Ú·Àֹˮ²ÛÖеÄË®Òòµ¹ÎüÁ÷ÈëÕôÁóÉÕÆ¿ÖУ¨2·Ö£©

¢ÛÑÐϸ²¢»ìºÏ¾ùÔÈ£¨¸÷1·Ö£¬¹²2·Ö£©

¢Ü³öÏÖºÚÉ«¹ÌÌ壨2·Ö£©

¢Ý·ÀÖ¹¼×ËáÍ­¾§ÌåÎö³ö£¨2·Ö£©

¢ÞÏ´È¥¾§Ìå±íÃæµÄË®ºÍÆäËüÔÓÖÊ£¨2·Ö£©


½âÎö:

¢ÙÒòΪÊǸøÒºÌå¼ÓÈÈÖƱ¸ÆøÌ壬ÇÒÒª¿ØÖÆζȣ¬¹ÊÆøÌå·¢Éú×°ÖÃÓëʵÑéÊÒÖÆÒÒÏ©µÄ·¢Éú×°ÖÃÒ»Ñù£¬¼´ÈçÉÏͼËùʾ£»¢ÚÒòΪÊÇÓÃÅÅË®·¨ÊÕ¼¯ÆøÌ壬¹ÊÈç¹ûÊÜÈȲ»¾ùÔȾÍÓпÉÄÜ·¢Éúµ¹Îü£¬¹Ê¢òΪ·Àµ¹Îü×°Ö㻢ÛÒòΪÊÇÈ¡»ìºÍ¹ÌÌå¶à´Î¼ÓÈëÈÈË®ÖУ¬¹ÊÁ½ÖÖ¹ÌÌåÒª»ìºÏ¾ùÔÈ£¬¶øNaHCO3¹ÌÌåºÍCuSO4¡¤H2O¾§Ìå¾ùÒ×½á³É¿é£¬¹ÌÒªÑÐϸ²Å¿É»ìºÍ¾ùÔÈ£»¢ÜÇâÑõ»¯Í­ºÍ̼ËáÍ­ÊÜÈȾù²»Îȶ¨Ò׷ֽ⣬ǰÕßÉú³ÉºÚÉ«µÄÑõ»¯Í­ºÍË®£¬ºóÕßÕߺÚÉ«µÄÑõ»¯Í­ºÍ¶þÑõ»¯Ì¼£¬ËùÒÔζȹý¸ß»áʹËüÃǷֽ⣬³öÏÖºÚÉ«¹ÌÌ壻¢ÝÕô·¢Å¨Ëõºó¼×ËáÍ­µÄŨ¶È±È½Ï¸ß£¬Èç¹ûÀäÈ´ÖÁ³£Î»áÒÔ¾§ÌåµÄÐÎʽÎö³ö£¬¹ÊÒª¡°³ÃÈÈ¡±¹ýÂË£»¢Þ½«ÂËÒºÀäÈ´½á¾§ºó£¬Îö³öµÄ¾§Ìå±íÃæÒ»¶¨»á²ÐÁôÓÐÈÜÒºÖеÄÆäËüÎïÖÊ£¬Èç±íÃæÉÏÓÐË®£¬»¹ÓÐһЩÆäËüµÄÈÜÖʶ¼ÓпÉÄܲÐÁôÔÚÉÏÃ棬¹ÊÓÃÒÒ´¼Ï´µÓ¾§ÌåµÄÄ¿µÄÊÇÏ´È¥¾§Ìå±íÃæµÄË®ºÍÆäËüÔÓÖÊ¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
£¨2007?¹ãÖÝһģ£©¼×ËᣨHCOOH£©ÊÇÒ»ÖÖÓд̼¤³ôζµÄÎÞÉ«ÒºÌ壬ÓкÜÇ¿µÄ¸¯Ê´ÐÔ£®ÈÛµã8.4¡æ£¬·Ðµã100.7¡æ£¬ÄÜÓëË®¡¢ÒÒ´¼»¥ÈÜ£¬¼ÓÈÈÖÁ160¡æ¼´·Ö½â³É¶þÑõ»¯Ì¼ºÍÇâÆø£®
£¨1£©ÊµÑéÊÒ¿ÉÓü×ËáÓëŨÁòËá¹²ÈÈÖƱ¸Ò»Ñõ»¯Ì¼£ºHCOOH
   Å¨H2SO4   
.
80¡æ-90¡æ
H2O+CO¡ü£¬ÊµÑéµÄ²¿·Ö×°ÖÃÈçͼ£¨1£©Ëùʾ£®ÖƱ¸Ê±ÏȼÓÈÈŨÁòËáÖÁ80¡æ-90¡æ£¬ÔÙÖðµÎµÎÈë¼×Ëᣮ

¢Ù´Óͼ£¨2£©ÌôÑ¡ËùÐèµÄÒÇÆ÷£¬»­³ö¢ñÖÐËùȱµÄÆøÌå·¢Éú×°Öã¨Ìí¼Ó±ØÒªµÄÈû×Ó¡¢²£Á§¹Ü¡¢½ºÆ¤¹Ü£¬¹Ì¶¨×°Öò»Óû­£©£¬²¢±êÃ÷ÈÝÆ÷ÖеÄÊÔ¼Á£®

¢Ú×°ÖâòµÄ×÷ÓÃÊÇ
·Àֹˮ²ÛÖеÄË®Òòµ¹ÎüÁ÷ÈëÕôÁóÉÕÆ¿ÖÐ
·Àֹˮ²ÛÖеÄË®Òòµ¹ÎüÁ÷ÈëÕôÁóÉÕÆ¿ÖÐ
£®
£¨2£©ÊµÑéÊÒ¿ÉÓü×ËáÖƱ¸¼×ËáÍ­£®Æä·½·¨ÊÇÏÈÓÃÁòËáÍ­ºÍ̼ËáÇâÄÆ×÷ÓÃÖƵüîʽ̼ËáÍ­£¬È»ºóÔÙÓë¼×Ëá³âÖƵÃËÄË®¼×ËáÍ­
[Cu£¨HCOO£©2?4H2O]¾§Ì壮Ïà¹ØµÄ»¯Ñ§·½³ÌʽÊÇ£º
2CuSO4+4NaHCO3¨TCu£¨OH£©2?CuCO3¡ý+3CO2¡ü+2Na2SO4+H2O
Cu£¨OH£©2?CuCO3+4HCOOH+5H2O¨T2Cu£¨HCOO£©2?4H2O+CO2¡ü
ʵÑé²½ÖèÈçÏ£º
¢ñ¡¢¼îʽ̼ËáÍ­µÄÖƱ¸£º

¢Û²½Ö袡Êǽ«Ò»¶¨Á¿CuSO4?5H2O¾§ÌåºÍNaHCO3¹ÌÌåÒ»Æð·Åµ½Ñв§ÖÐÑÐÄ¥£¬ÆäÄ¿µÄÊÇ
ÑÐϸ²¢»ìºÏ¾ùÔÈ
ÑÐϸ²¢»ìºÏ¾ùÔÈ
£®
¢Ü²½Ö袢ÊÇÔÚ½Á°èϽ«¹ÌÌå»ìºÏÎï·Ö¶à´Î»ºÂý¼ÓÈëÈÈË®ÖУ¬·´Ó¦Î¶ȿØÖÆÔÚ70¡æ-80¡æ£¬Èç¹û¿´µ½
ÓкÚÉ«¹ÌÌåÉú³É
ÓкÚÉ«¹ÌÌåÉú³É
£¨ÌîдʵÑéÏÖÏ󣩣¬ËµÃ÷ζȹý¸ß£®
¢ò¡¢¼×ËáÍ­µÄÖƱ¸£º
½«Cu£¨OH£©2?CuCO3¹ÌÌå·ÅÈëÉÕ±­ÖУ¬¼ÓÈëÒ»¶¨Á¿ÈȵÄÕôÁóË®£¬ÔÙÖðµÎ¼ÓÈë¼×ËáÖÁ¼îʽ̼ËáÍ­Ç¡ºÃÈ«²¿Èܽ⣬³ÃÈȹýÂ˳ýÈ¥ÉÙÁ¿²»ÈÜÐÔÔÓÖÊ£®ÔÚͨ·ç³÷ÖÐÕô·¢ÂËÒºÖÁÔ­Ìå»ýµÄ
1
3
ʱ£¬ÀäÈ´Îö³ö¾§Ì壬¹ýÂË£¬ÔÙÓÃÉÙÁ¿ÎÞË®ÒÒ´¼Ï´µÓ¾§Ìå2-3´Î£¬ÁÀ¸É£¬µÃµ½²úÆ·£®
¢Ý¡°³ÃÈȹýÂË¡±ÖУ¬±ØÐë¡°³ÃÈÈ¡±µÄÔ­ÒòÊÇ
·ÀÖ¹¼×ËáÍ­¾§ÌåÎö³ö
·ÀÖ¹¼×ËáÍ­¾§ÌåÎö³ö
£®
¢ÞÓÃÒÒ´¼Ï´µÓ¾§ÌåµÄÄ¿µÄÊÇ
Ï´È¥¾§Ìå±íÃæµÄË®ºÍÆäËüÔÓÖÊ
Ï´È¥¾§Ìå±íÃæµÄË®ºÍÆäËüÔÓÖÊ
£®

£¨9·Ö£© ¼×ËᣨHCOOH£©ÊÇÒ»ÖÖÓд̼¤³ôζµÄÎÞÉ«ÒºÌ壬ÓкÜÇ¿µÄ¸¯Ê´ÐÔ¡£ÈÛµã8.4¡æ£¬·Ðµã100.7¡æ£¬ÄÜÓëË®¡¢ÒÒ´¼»¥ÈÜ£¬¼ÓÈÈÖÁ160¡æ¼´·Ö½â³É¶þÑõ»¯Ì¼ºÍÇâÆø¡£
£¨1£©ÊµÑéÊÒ¿ÉÓü×ËáÓëŨÁòËá¹²ÈÈÖƱ¸Ò»Ñõ»¯Ì¼£ºHCOOHŨÁòËá========H2O+CO¡ü£¬ÊµÑéµÄ²¿·Ö×°ÖÃÈçÏÂͼËùʾ¡£ÖƱ¸Ê±ÏȼÓÈÈŨÁòËáÖÁ80¡æ¡ª90¡æ£¬ÔÙÖðµÎµÎÈë¼×Ëá¡£

¢ñÖƱ¸CO      ¢ò         ¢óÊÕ¼¯CO
¢Ù´ÓÏÂͼÌôÑ¡ËùÐèµÄÒÇÆ÷£¬»­³ö¢ñÖÐËùȱµÄÆøÌå·¢Éú×°Öã¨Ìí¼Ó±ØÒªµÄÈû×Ó¡¢²£Á§¹Ü¡¢½ºÆ¤¹Ü£¬¹Ì¶¨×°Öò»Óû­£©£¬²¢±êÃ÷ÈÝÆ÷ÖеÄÊÔ¼Á¡££¨2·Ö£©
                         
·ÖҺ©¶· ³¤¾±Â©¶·    ÕôÁóÉÕÆ¿    ¼¯ÆøÆ¿   Î¶ȼÆ
¢Ú ×°ÖâòµÄ×÷ÓÃÊÇ                                        ¡££¨2·Ö£©
£¨2£©ÊµÑéÊÒ¿ÉÓü×ËáÖƱ¸¼×ËáÍ­¡£Æä·½·¨ÊÇÏÈÓÃÁòËáÍ­ºÍ̼ËáÇâÄÆ×÷ÓÃÖƵüîʽ̼ËáÍ­£¬È»ºóÔÙÓë¼×Ëá·´Ó¦ÖƵÃËÄË®¼×ËáÍ­[Cu(HCOO)2¡¤4H2O]¾§Ìå¡£Ïà¹ØµÄ»¯Ñ§·½³ÌʽÊÇ£º
2CuSO4+4 NaHCO3= Cu(OH)2¡¤CuCO3¡ý+3CO2¡ü+2Na2SO4+H2O
Cu(OH)2¡¤CuCO3+4HCOOH+ 5H2O="2" Cu(HCOO)2¡¤4H2O+ CO2¡ü
ʵÑé²½ÖèÈçÏ£º
¢ñ¡¢¼îʽ̼ËáÍ­µÄÖƱ¸£º

¢Û²½Ö袡Êǽ«Ò»¶¨Á¿CuSO4¡¤5H2O¾§ÌåºÍNaHCO3¹ÌÌåÒ»Æð·Åµ½Ñв§ÖÐÑÐÄ¥£¬ÆäÄ¿µÄÊÇ       ¡££¨2·Ö£©
¢Ü²½Ö袢ÊÇÔÚ½Á°èϽ«¹ÌÌå»ìºÏÎï·Ö¶à´Î»ºÂý¼ÓÈëÈÈË®ÖУ¬·´Ó¦Î¶ȿØÖÆÔÚ70¡æ¡ª80¡æ£¬Èç¹û¿´µ½           £¨ÌîдʵÑéÏÖÏ󣩣¬ËµÃ÷ζȹý¸ß¡££¨1·Ö£©
¢ò¡¢¼×ËáÍ­µÄÖƱ¸£º
½«Cu£¨OH£©2¡¤CuCO3¹ÌÌå·ÅÈëÉÕ±­ÖУ¬¼ÓÈëÒ»¶¨Á¿ÈȵÄÕôÁóË®£¬ÔÙÖðµÎ¼ÓÈë¼×ËáÖÁ¼îʽ̼ËáÍ­Ç¡ºÃÈ«²¿Èܽ⣬³ÃÈȹýÂ˳ýÈ¥ÉÙÁ¿²»ÈÜÐÔÔÓÖÊ¡£ÔÚͨ·ç³÷ÖÐÕô·¢ÂËÒºÖÁÔ­Ìå»ýµÄ1/3ʱ£¬ÀäÈ´Îö³ö¾§Ì壬¹ýÂË£¬ÔÙÓÃÉÙÁ¿ÎÞË®ÒÒ´¼Ï´µÓ¾§Ìå2¡ª3´Î£¬ÁÀ¸É£¬µÃµ½²úÆ·¡£
¢Ý¡°³ÃÈȹýÂË¡±ÖУ¬±ØÐë¡°³ÃÈÈ¡±µÄÔ­ÒòÊÇ                                ¡££¨1·Ö£©
¢ÞÓÃÒÒ´¼Ï´µÓ¾§ÌåµÄÄ¿µÄÊÇ                                              ¡££¨1·Ö£©

£¨13·Ö£©¼×ËᣨHCOOH£©ÊÇÒ»ÖÖÓд̼¤³ôζµÄÎÞÉ«ÒºÌ壬ÓкÜÇ¿µÄ¸¯Ê´ÐÔ¡£ÈÛµã8.4¡æ£¬·Ðµã100.7¡æ£¬ÄÜÓëË®¡¢ÒÒ´¼»¥ÈÜ£¬¼ÓÈÈÖÁ160¡æ¼´·Ö½â³É¶þÑõ»¯Ì¼ºÍÇâÆø¡£

£¨1£©ÊµÑéÊÒ¿ÉÓü×ËáÓëŨÁòËá¹²ÈÈÖƱ¸Ò»Ñõ»¯Ì¼£ºHCOOHH2O+CO¡ü£¬

ʵÑéµÄ²¿·Ö×°ÖÃÈçÏÂͼËùʾ¡£ÖƱ¸Ê±ÏȼÓÈÈŨÁòËáÖÁ80¡æ¡ª90¡æ£¬ÔÙÖðµÎµÎÈë¼×Ëá¡£

¢Ù´ÓÏÂͼÌôÑ¡ËùÐèµÄÒÇÆ÷£¬»­³ö¢ñÖÐËùȱµÄÆøÌå·¢Éú×°Öã¨Ìí¼Ó±ØÒªµÄÈû×Ó¡¢²£Á§¹Ü¡¢½ºÆ¤¹Ü£¬¹Ì¶¨×°Öò»Óû­£©£¬²¢±êÃ÷ÈÝÆ÷ÖеÄÊÔ¼Á¡£

                           

·ÖҺ©¶·  ³¤¾±Â©¶·     ÕôÁóÉÕÆ¿     ¼¯ÆøÆ¿    ζȼÆ

¢Ú×°ÖâòµÄ×÷ÓÃÊÇ                                         ¡£

£¨2£©ÊµÑéÊÒ¿ÉÓü×ËáÖƱ¸¼×ËáÍ­¡£Æä·½·¨ÊÇÏÈÓÃÁòËáÍ­ºÍ̼ËáÇâÄÆ×÷ÓÃÖƵüîʽ̼ËáÍ­£¬È»ºóÔÙÓë¼×Ëá³âÖƵÃËÄË®¼×ËáÍ­[Cu£¨HCOO£©2¡¤4H2O]¾§Ìå¡£Ïà¹ØµÄ»¯Ñ§·½³ÌʽÊÇ£º

2CuSO4+4 NaHCO3== Cu£¨OH£©2¡¤CuCO3¡ý+3CO2¡ü+2Na2SO4+H2O

Cu£¨OH£©2¡¤CuCO3+4HCOOH+ 5H2O==2 Cu£¨HCOO£©2¡¤4H2O+ CO2¡ü

ʵÑé²½ÖèÈçÏ£º

¢ñ¡¢¼îʽ̼ËáÍ­µÄÖƱ¸£º

¢Û²½Ö袡Êǽ«Ò»¶¨Á¿CuSO4¡¤5H2O¾§ÌåºÍNaHCO3¹ÌÌåÒ»Æð·Åµ½Ñв§ÖÐÑÐÄ¥£¬ÆäÄ¿µÄÊÇ                                              ¡£

¢Ü²½Ö袢ÊÇÔÚ½Á°èϽ«¹ÌÌå»ìºÏÎï·Ö¶à´Î»ºÂý¼ÓÈëÈÈË®ÖУ¬·´Ó¦Î¶ȿØÖÆÔÚ70¡æ¡ª80¡æ£¬Èç¹û¿´µ½                          £¨ÌîдʵÑéÏÖÏ󣩣¬ËµÃ÷ζȹý¸ß¡£

¢ò¡¢¼×ËáÍ­µÄÖƱ¸£º

½«Cu£¨OH£©2¡¤CuCO3¹ÌÌå·ÅÈëÉÕ±­ÖУ¬¼ÓÈëÒ»¶¨Á¿ÈȵÄÕôÁóË®£¬ÔÙÖðµÎ¼ÓÈë¼×ËáÖÁ¼îʽ̼ËáÍ­Ç¡ºÃÈ«²¿Èܽ⣬³ÃÈȹýÂ˳ýÈ¥ÉÙÁ¿²»ÈÜÐÔÔÓÖÊ¡£ÔÚͨ·ç³÷ÖÐÕô·¢ÂËÒºÖÁÔ­Ìå»ýµÄ1/3ʱ£¬ÀäÈ´Îö³ö¾§Ì壬¹ýÂË£¬ÔÙÓÃÉÙÁ¿ÎÞË®ÒÒ´¼Ï´µÓ¾§Ìå2¡ª3´Î£¬ÁÀ¸É£¬µÃµ½²úÆ·¡£

¢Ý¡°³ÃÈȹýÂË¡±ÖУ¬±ØÐë¡°³ÃÈÈ¡±µÄÔ­ÒòÊÇ                                 ¡£

¢ÞÓÃÒÒ´¼Ï´µÓ¾§ÌåµÄÄ¿µÄÊÇ                                               ¡£

 

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø