ÌâÄ¿ÄÚÈÝ

12£®ÎïÖʽṹ¾ö¶¨ÎïÖÊÐÔÖÊ£®»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ¢Ý
¢Ù°´µç×ÓÅŲ¼Ìصã°ÑÔªËØÖÜÆÚ±íÀïµÄÔªËØ·Ö³É5¸öÇø£ºsÇø¡¢pÇø¡¢dÇø¡¢fÇøºÍdsÇø£®·Ç½ðÊôÔªËØ£¨°üÀ¨Ï¡ÓÐÆøÌ壩¶¼Î»ÓÚpÇø£¬¹ý¶ÉÔªËض¼Î»ÓÚdÇø£®
¢ÚÔÓ»¯¹ìµÀÖ»ÓÃÓÚÐγɦҼü£¬Î´²ÎÓëÔÓ»¯µÄp¹ìµÀ¿ÉÓÃÓÚÐγɦмü£®
¢Û·Ö×Ó¾§ÌåµÄ¹¹³É΢Á£Îª·Ö×Ó£¬·Ö×Ó¾§ÌåÖÐÏàÁÚ·Ö×Ó¼ä½ö¿¿·¶µÂ»ªÁ¦Ï໥ÎüÒý£®
¢Ü¾§ÌåÓë·Ç¾§ÌåµÄ±¾ÖÊÇø±ðÊÇ£º¾§Ìå¾ßÓи÷ÏòÒìÐÔ£¬¶ø·Ç¾§ÌåÔò¾ßÓи÷ÏòͬÐÔ
¢ÝÇâ¼üµÄ¼ü³¤ÊÇÖ¸X-H¡­YµÄ³¤¶È
£¨2£©ÄÏʦ´ó½á¹¹»¯Ñ§ÊµÑéÊҺϳÉÁËÒ»Öֶ๦ÄܲÄÁÏ--¶ÔÏõ»ù±½·ÓË®ºÏÎ»¯Ñ§Ê½ÎªC6H5NO3•1.5H2O£©£®ÊµÑé±íÃ÷£¬¼ÓÈÈÖÁ94¡æʱ¸Ã¾§ÌåÄÜʧȥ½á¾§Ë®£¬ÓÉ»ÆÉ«±ä³ÉÏÊÁÁµÄºìÉ«£¬ÔÚ¿ÕÆøÖÐζȽµµÍÓÖ±äΪ»ÆÉ«£¬¾ßÓпÉÄæÈÈÉ«ÐÔ£»Í¬Ê±ÊµÑ黹±íÃ÷Ëü¾ßÓÐʹ¼¤¹â±¶ÆµµÄ¶þ½×·ÇÏßÐÔ¹âѧÐÔÖÊ£®
¢Ù¾§ÌåÖÐËÄÖÖ»ù±¾ÔªËصĵ縺ÐÔÓÉ´óµ½Ð¡µÄ˳ÐòÊÇO£¾N£¾C£¾H£®
¢Ú¶ÔÏõ»ù±½·ÓË®ºÏÎïʧȥ½á¾§Ë®µÄ¹ý³ÌÖУ¬ÆÆ»µµÄ΢Á£¼ä×÷ÓÃÁ¦ÊÇÇâ¼ü£®
£¨3£©¿Æѧ¼Ò°ÑNaNO3ºÍNa2OÔÚÒ»¶¨Ìõ¼þÏ·´Ó¦µÃµ½Ò»ÖÖ°×É«¾§Ì壬ÒÑÖªÆäÖÐÒõÀë×ÓÓëSO42-»¥ÎªµÈµç×ÓÌ壬ÇÒ¸ÃÒõÀë×ÓÖеĸ÷Ô­×ÓµÄ×îÍâ²ãµç×Ó¶¼Âú×ã8µç×ÓÎȶ¨½á¹¹£®¸ÃÒõÀë×ӵĵç×ÓʽÊÇ£¬ÆäÖÐÐÄÔ­×ÓNµÄÔÓ»¯·½Ê½ÊÇsp3£®
£¨4£©ÔÚ½ð¸Õʯ¾§ÌåµÄÒ»¸ö¾§°ûÖУ¬º¬ÓÐ8¸ö̼ԭ×Ó£®ÔÚ¶þÑõ»¯¹è¾§ÌåµÄÒ»¸ö¾§°ûÖУ¬º¬ÓÐ32¸ö»¯Ñ§¼ü£®Ô­×Ó¾§Ìå²»ÄÜÐγÉ×îÃܶѻý½á¹¹£¬Ô­ÒòÊÇÔ­×Ó¾§ÌåÊÇÔ­×ÓÖ®¼äÊÇÒÔ¹²¼Û¼ü½áºÏµÄ£¬¹²¼Û¼üÓб¥ºÍÐԺͷ½ÏòÐÔ£¬Ò»¸öÔ­×Ó²»ÄÜÐγÉ12Ìõ¹²¼Û¼ü£¬ËùÒÔÔ­×Ó¾§Ìå¾Í²»ÄÜÐγÉÅäλÊýÊÇ12µÄ×îÃܶѻý½á¹¹£®
£¨5£©ÒÑÖªµª»¯Åð£¨BN£©¾§ÌåÓжàÖÖ¾§ÐÍ£¬ÆäÖÐÁ¢·½µª»¯ÅðÊÇÓë½ð¸ÕʯµÄ¹¹ÐÍÀàËƵÄÒ»ÖÖ¾§Ì壬Ôòµª»¯Åð¾§ÌåÖÐB-N-BÖ®¼äµÄ¼Ð½ÇÊÇ109¡ã28¡ä£¨Ìî½Ç¶È£©£®Èôµª»¯Åð¾§ÌåµÄÃܶÈΪ3.52g•cm-3£¬ÔòB-N¼üµÄ¼ü³¤ÊÇ$\frac{\sqrt{3}}{4}$¡Á$\root{3}{\frac{4¡Á25}{3.52{N}_{A}}}$¡Á1010pm pm£¨Ö»ÒªÇóÁÐËãʽ£¬²»±Ø¼ÆËã³öÊýÖµ£¬°¢·ü¼ÓµÂÂÞ³£ÊýΪNA£©£®

·ÖÎö £¨1£©¢Ù¸ù¾Ý×îºóÅÅÈëµç×ÓÃû³Æ°ÑÔªËØÖÜÆÚ±íÀïµÄÔªËØ·Ö³É5¸öÇø£ºsÇø¡¢pÇø¡¢dÇø¡¢fÇøºÍdsÇø£»·Ç½ðÊôÔªËØ£¨°üÀ¨Ï¡ÓÐÆøÌ壩λÓÚpÇøºÍsÇø£¬¹ý¶ÉÔªËØλÓÚdÇøºÍds¡¢fÇø£»
¢ÚÔÓ»¯¹ìµÀÖ»ÓÃÓÚÐγɦҼü»òÓÃÓÚÈÝÄÉδ²ÎÓë³É¼üµÄ¹Âµç×Ó£»
¢Û·Ö×Ó¾§ÌåµÄ¹¹³É΢Á£Îª·Ö×Ó£¬·Ö×Ó¾§ÌåÖÐÏàÁÚ·Ö×Ӽ俿·¶µÂ»ªÁ¦Ï໥×÷Óã¬ÄÜÐγÉÇâ¼üµÄÎïÖÊÖзÖ×Ӽ仹´æÔÚÇâ¼ü£»
¢Ü¾§ÌåÓë·Ç¾§ÌåµÄ±¾ÖÊÇø±ðÊÇ£ºÆäÄÚ²¿Á£×ÓÔÚ¿Õ¼äÉÏÊÇ·ñ°´Ò»¶¨¹æÂÉ×öÖÜÆÚÐÔÖظ´ÅÅÁУ»
¢ÝÇâ¼üµÄ¼ü³¤ÊÇÖ¸X-H¡­YµÄ³¤¶È£»
£¨2£©¢Ù¾§ÌåÖÐËÄÖÖ»ù±¾ÔªËØÊÇC¡¢N¡¢O¡¢HÔªËØ£¬ÔªËصõç×ÓÄÜÁ¦Ô½Ç¿£¬Æäµç¸ºÐÔÔ½´ó£»
¢Ú¶ÔÏõ»ù±½·ÓË®ºÏÎïʧȥ½á¾§Ë®µÄ¹ý³ÌÖУ¬ÆÆ»µµÄ΢Á£¼ä×÷ÓÃÁ¦ÊÇÇâ¼ü£»
£¨3£©¿Æѧ¼Ò°ÑNaNO3ºÍNa2OÔÚÒ»¶¨Ìõ¼þÏ·´Ó¦µÃµ½Ò»ÖÖ°×É«¾§Ì壬ÒÑÖªÆäÖÐÒõÀë×ÓÓëSO42-»¥ÎªµÈµç×ÓÌ壬ÇÒ¸ÃÒõÀë×ÓÖеĸ÷Ô­×ÓµÄ×îÍâ²ãµç×Ó¶¼Âú×ã8µç×ÓÎȶ¨½á¹¹£®¸ÃÒõÀë×ÓÊÇNO43-£»¸ù¾Ý¼Û²ãµç×Ó¶Ô»¥³âÀíÂÛÅжÏÆäÖÐÐÄÔ­×ÓNµÄÔÓ»¯·½Ê½£»
£¨4£©ÔÚ½ð¸Õʯ¾§ÌåµÄÒ»¸ö¾§°ûÖУ¬º¬ÓÐ̼ԭ×Ó¸öÊý=8¡Á$\frac{1}{8}$+6¡Á$\frac{1}{2}$+4=8£»
ÔÚ¶þÑõ»¯¹è¾§ÌåµÄÒ»¸ö¾§°ûÖУ¬Ò»¸öSiÔ­×Óº¬ÓÐ4¸öSi-O¼ü£¬¸Ã¾§°ûÖÐSiÔ­×Ó¸öÊý=8¡Á$\frac{1}{8}$+6¡Á$\frac{1}{2}$+4=8£»
Ô­×Ó¾§Ìå²»ÄÜÐγÉ×îÃܶѻý½á¹¹£¬Ô­ÒòÊÇÔ­×Ó¾§ÌåÊÇÔ­×ÓÖ®¼äÊÇÒÔ¹²¼Û¼ü½áºÏµÄ£¬¹²¼Û¼üÓб¥ºÍÐԺͷ½ÏòÐÔ£¬Ò»¸öÔ­×Ó²»ÄÜÐγÉ12Ìõ¹²¼Û¼ü£»
£¨5£©Ò»¸öBÔ­×ÓºÍËĸöNÔ­×ÓÐγÉÕýËÄÃæÌå½á¹¹£¬¼ü½ÇΪ109¡ã28¡ä£»¸Ã¾§°ûÖÐB¡¢NÔ­×Ó¸öÊý¶¼ÊÇ4£¬
Èôµª»¯Åð¾§ÌåµÄÃܶÈΪ3.52g•cm-3£¬¾§°ûÌå»ý=$\frac{\frac{25}{{N}_{A}}¡Á4}{¦Ñ}$£¬B-N¼üµÄ¼ü³¤ÊǾ§°ûÌ峤µÄ$\frac{1}{4}$£®

½â´ð ½â£º£¨1£©¢Ù¸ù¾Ý×îºóÅÅÈëµç×ÓÃû³Æ°ÑÔªËØÖÜÆÚ±íÀïµÄÔªËØ·Ö³É5¸öÇø£ºsÇø¡¢pÇø¡¢dÇø¡¢fÇøºÍdsÇø£»·Ç½ðÊôÔªËØ£¨°üÀ¨Ï¡ÓÐÆøÌ壩λÓÚpÇøºÍsÇø£¬ÈçHÔªËØλÓÚsÇø£¬¹ý¶ÉÔªËØλÓÚdÇøºÍds¡¢fÇø£¬¹Ê´íÎó£»
¢ÚÔÓ»¯¹ìµÀÖ»ÓÃÓÚÐγɦҼü»òÓÃÓÚÈÝÄÉδ²ÎÓë³É¼üµÄ¹Âµç×Ó£¬¹Ê´íÎó£»
¢Û·Ö×Ó¾§ÌåµÄ¹¹³É΢Á£Îª·Ö×Ó£¬·Ö×Ó¾§ÌåÖÐÏàÁÚ·Ö×Ӽ俿·¶µÂ»ªÁ¦Ï໥×÷Óã¬Ï໥×÷Óðüº¬ÎüÒýÁ¦ºÍÅųâÁ¦£¬ÄÜÐγÉÇâ¼üµÄÎïÖÊÖзÖ×Ӽ仹´æÔÚÇâ¼ü£¬¹Ê´íÎó£»
¢Ü¾§ÌåÓë·Ç¾§ÌåµÄ±¾ÖÊÇø±ðÊÇ£ºÆäÄÚ²¿Á£×ÓÔÚ¿Õ¼äÉÏÊÇ·ñ°´Ò»¶¨¹æÂÉ×öÖÜÆÚÐÔÖظ´ÅÅÁУ¬¹Ê´íÎó£»
¢ÝÇâ¼üµÄ¼ü³¤ÊÇÖ¸X-H¡­YµÄ³¤¶È£¬¹ÊÕýÈ·£»
¹ÊÑ¡¢Ý£»
£¨2£©¢Ù¾§ÌåÖÐËÄÖÖ»ù±¾ÔªËØÊÇC¡¢N¡¢O¡¢HÔªËØ£¬ÔªËصõç×ÓÄÜÁ¦Ô½Ç¿£¬Æäµç¸ºÐÔÔ½´ó£¬µÃµç×ÓÄÜÁ¦Ç¿Èõ˳ÐòÊÇO£¾N£¾C£¾H£¬ËùÒԵ縺ÐÔ´óС˳ÐòÊÇO£¾N£¾C£¾H£¬¹Ê´ð°¸Îª£ºO£¾N£¾C£¾H£»
¢Ú¶ÔÏõ»ù±½·ÓË®ºÏÎïʧȥ½á¾§Ë®µÄ¹ý³ÌÖУ¬ÆÆ»µµÄ΢Á£¼ä×÷ÓÃÁ¦ÊÇÇâ¼ü£¬¹Ê´ð°¸Îª£ºÇâ¼ü£»
£¨3£©¿Æѧ¼Ò°ÑNaNO3ºÍNa2OÔÚÒ»¶¨Ìõ¼þÏ·´Ó¦µÃµ½Ò»ÖÖ°×É«¾§Ì壬ÒÑÖªÆäÖÐÒõÀë×ÓÓëSO42-»¥ÎªµÈµç×ÓÌ壬ÇÒ¸ÃÒõÀë×ÓÖеĸ÷Ô­×ÓµÄ×îÍâ²ãµç×Ó¶¼Âú×ã8µç×ÓÎȶ¨½á¹¹£®¸ÃÒõÀë×ÓÊÇNO43-£¬Æäµç×ÓʽΪ£»
¸Ã΢Á£ÖÐNÔ­×Ó¼Û²ãµç×Ó¶Ô¸öÊýÊÇ4ÇÒ²»º¬¹Âµç×Ó¶Ô£¬ËùÒÔÆäÖÐÐÄÔ­×ÓNµÄÔÓ»¯·½Ê½Îª sp3£¬
¹Ê´ð°¸Îª£º£» sp3£»
£¨4£©ÔÚ½ð¸Õʯ¾§ÌåµÄÒ»¸ö¾§°ûÖУ¬º¬ÓÐ̼ԭ×Ó¸öÊý=8¡Á$\frac{1}{8}$+6¡Á$\frac{1}{2}$+4=8£»
ÔÚ¶þÑõ»¯¹è¾§ÌåµÄÒ»¸ö¾§°ûÖУ¬Ò»¸öSiÔ­×Óº¬ÓÐ4¸öSi-O¼ü£¬¸Ã¾§°ûÖÐSiÔ­×Ó¸öÊý=8¡Á$\frac{1}{8}$+6¡Á$\frac{1}{2}$+4=8£¬ËùÒÔÿ¸ö¾§°ûÖй²¼Û¼üÊýÄ¿ÊÇ32£»
Ô­×Ó¾§Ìå²»ÄÜÐγÉ×îÃܶѻý½á¹¹£¬Ô­ÒòÊÇÔ­×Ó¾§ÌåÊÇÔ­×ÓÖ®¼äÊÇÒÔ¹²¼Û¼ü½áºÏµÄ£¬¹²¼Û¼üÓб¥ºÍÐԺͷ½ÏòÐÔ£¬Ò»¸öÔ­×Ó²»ÄÜÐγÉ12Ìõ¹²¼Û¼ü£¬ËùÒÔÔ­×Ó¾§Ìå²»ÄÜÐγÉ×îÃܶѻý½á¹¹£¬
¹Ê´ð°¸Îª£º8£»32£»Ô­×Ó¾§ÌåÊÇÔ­×ÓÖ®¼äÊÇÒÔ¹²¼Û¼ü½áºÏµÄ£¬¹²¼Û¼üÓб¥ºÍÐԺͷ½ÏòÐÔ£¬Ò»¸öÔ­×Ó²»ÄÜÐγÉ12Ìõ¹²¼Û¼ü£¬ËùÒÔÔ­×Ó¾§Ìå¾Í²»ÄÜÐγÉÅäλÊýÊÇ12µÄ×îÃܶѻý½á¹¹£»
£¨5£©Ò»¸öBÔ­×ÓºÍËĸöNÔ­×ÓÐγÉÕýËÄÃæÌå½á¹¹£¬¼ü½ÇΪ109¡ã28¡ä£»¸Ã¾§°ûÖÐB¡¢NÔ­×Ó¸öÊý¶¼ÊÇ4£¬
Èôµª»¯Åð¾§ÌåµÄÃܶÈΪ3.52g•cm-3£¬¾§°ûÌå»ý=$\frac{\frac{25}{{N}_{A}}¡Á4}{¦Ñ}$£¬B-N¼üµÄ¼ü³¤ÊǾ§°ûÌ峤µÄ$\frac{1}{4}$£¬Ôò¾§°ûÖÐB
-N¼üµÄ¼ü³¤=$\sqrt{3}¡Á$$\root{3}{\frac{\frac{25¡Á4}{{N}_{A}}}{3.52}}¡Á\frac{1}{4}$¡Á1010pm=$\frac{\sqrt{3}}{4}$¡Á$\root{3}{\frac{4¡Á25}{3.52{N}_{A}}}$¡Á1010pm£¬
¹Ê´ð°¸Îª£º109¡ã28¡ä£»$\frac{\sqrt{3}}{4}$¡Á$\root{3}{\frac{4¡Á25}{3.52{N}_{A}}}$¡Á1010£®

µãÆÀ ±¾Ì⿼²éÎïÖʽṹºÍÐÔÖÊ£¬Éæ¼°¾§°û¼ÆËã¡¢Ô­×ÓÔÓ»¯·½Ê½Åжϡ¢µç¸ºÐÔ¡¢µÈµç×ÓÌåµÈ֪ʶµã£¬²àÖØ¿¼²é·ÖÎö¼ÆËã¼°¿Õ¼äÏÖÏóÄÜÁ¦£¬ÊìÁ·ÕÆÎÕ¾§°û¼ÆËã·½·¨¼°¼Û²ãµç×Ó¶Ô»¥³âÀíÂÛ£¬ÄѵãÊǾ§°û¼ÆË㣮

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
3£®ÊµÑéÊÒ²ÉÓüòÒ××°ÖÃÄ£ÄâÑÝʾ¹¤ÒµÁ¶ÌúÔ­Àí£¬ÊµÑé×°ÖÃͼºÍʵÑé²½ÖèÈçÏ£º

¢Ù°´ÉÏͼÁ¬½ÓºÃ×°Ö㬼ì²é×°ÖÃÆøÃÜÐÔ£®
¢Ú³ÆÈ¡ÊÊÁ¿ Fe2O3ÓÚʯӢÊÔ¹ÜÖУ¬µãȼ¢ñ´¦¾Æ¾«µÆ£¬»ºÂýµÎÈë¼×Ëᣮ
¢ÛÔÚÍê³ÉijÏî²Ù×÷ºó£¬µãȼÁíÍâÁ½´¦¾Æ¾«µÆ£®
¢Ü30minºóϨÃð¾Æ¾«µÆ£¬¹Ø±Õµ¯»É¼Ð£®
¢Ý´ý²úÎïÀäÈ´ÖÁÊÒκó£¬ÊÕ¼¯²úÎ
¢Þ²ÉÓÃÈçÉÏ·½·¨·Ö±ðÊÕ¼¯´ø½ðÊôÍøÕ־ƾ«µÆ£¨½ðÊôÍøÕÖ¿ÉÒÔ¼¯ÖлðÑæ¡¢Ìá¸ßζȣ©ºÍ¾Æ¾«ÅçµÆ¼ÓÈȵIJúÎ
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÖƱ¸COµÄÔ­ÀíÊÇÀûÓü×ËᣨHCOOH£©ÔÚŨÁòËá¼ÓÈÈÌõ¼þϵķֽâÖƵã¬Ê¢·Å¼×ËáµÄÒÇÆ÷Ãû³ÆΪ·ÖҺ©¶·£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽHCOOH $¡ú_{¡÷}^{ŨÁòËá}$CO¡ü+H2O£®
£¨2£©ÊµÑé²½Öè¢ÛijÏî²Ù×÷ÊÇÖ¸¼ìÑéCO´¿¶È£®
£¨3£©ÊµÑé²½Öè¢ÜϨÃð¾Æ¾«µÆµÄ˳ÐòΪ¢ó¡¢I¡¢II£®£¨Ìî¢ñ£¬¢ò£¬¢ó£©
£¨4£©Í¨¹ý²é×ÊÁÏ»ñÈ¡ÈçÏÂÐÅÏ¢£º
¢ñ£®¾Æ¾«µÆƽ¾ùζÈΪ600¡æ£»¼ÓÍøÕ־ƾ«µÆƽ¾ùζÈΪ700¡æ£¬¾Æ¾«ÅçµÆƽ¾ùζÈΪ930¡æ£®
¢ò£®×ÊÁÏÖ¸³öµ±·´Ó¦Î¶ȸßÓÚ710¡æ£¬FeÄÜÎȶ¨´æÔÚ£¬680¡æ¡«710¡æÖ®¼ä£¬FeOÎȶ¨´æÔÚ£¬µÍÓÚ680¡æ£¬ÔòÖ÷ÒªÊÇFe3O4£®ÊÔ·ÖÎö¾Æ¾«µÆ¼ÓÈÈÌõ¼þÏÂÉú³ÉFeµÄÔ­ÒòÊdz¤Ê±¼ä¼¯ÖмÓÈÈʹ¾Ö²¿Î¶ȴﵽ»¹Ô­Éú³ÉÌúËùÐèÒªµÄζȣ®
£¨5£©ÒÑÖªFeO¡¢Fe2O3¡¢Fe3O4ÑõÔªËصÄÖÊÁ¿·ÖÊý·Ö±ðΪ£º22.2%¡¢30%¡¢27.6%£®
ÀûÓÃÒÇÆ÷·ÖÎö²â³ö3ÖÖÑùÆ·Ëùº¬ÔªËØÖÖÀàºÍ¸÷ÔªËصÄÖÊÁ¿·ÖÊýÈçÏÂ±í£º
¼ÓÈÈ·½Ê½²úÎïÔªËØ×é³É¸÷ÔªËصÄÖÊÁ¿·ÖÊý%
FeO
¾Æ¾«µÆFeºÍO74.5025.50
´øÍøÕ־ƾ«µÆFeºÍO76.4823.52
¾Æ¾«ÅçµÆFe100.000.00
·ÖÎö¸÷ÔªËصÄÖÊÁ¿·ÖÊý¿É֪ǰ¶þÖÖ¼ÓÈÈ·½Ê½µÃµ½µÄ²úÎïΪ»ìºÏÎÆäÖоƾ«µÆ¼ÓÈÈËùµÃ²úÎïµÄ×é³É×î¶àÓÐ9ÖÖ¿ÉÄÜ£®
£¨6£©Í¨¹ý½øÒ»²½µÄÒÇÆ÷·ÖÎö²â³öÇ°¶þÖÖ¼ÓÈÈ·½Ê½µÃµ½µÄ¹ÌÌå·ÛÄ©³É·Ö¾ùΪFe3O4ºÍFe£¬Óþƾ«ÅçµÆ¼ÓÈȵõ½µÄ¹ÌÌå·ÛÄ©³É·ÖΪFe£®Çë¼ÆËãÀûÓþƾ«µÆ¼ÓÈÈ·½Ê½»ìºÏÎïÖÐFe3O4ºÍFeµÄÖÊÁ¿±ÈΪ12£º1£®£¨ÒªÇó±£ÁôÕûÊý£©

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

¾«Ó¢¼Ò½ÌÍø