(13 ·Ö)ÓÐÒ»°ü¹ÌÌå·ÛÄ©£¬ÓÉCaCO3¡¢Na2SO4¡¢KCl¡¢Ba (NO3)2¡¢CuSO4ÖеÄÈýÖÖÎïÖÊ×é³É£¬È¡ÑùÆ·½øÐÐÈçÏÂʵÑ飺

£¨1£©Ð´³öʵÑé¹ý³ÌÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º                          ¡£
£¨2£©¹ÌÌå·ÛÄ©ÖÐÒ»¶¨²»´æÔÚµÄÎïÖÊÊÇ        £»Ò»¶¨´æÔÚµÄÎïÖÊÊÇ       £»
£¨3£©½«¹ÌÌå·ÛÄ©¿ÉÄܵÄ×éºÏÌîÈëÏÂ±í£º£¨¿ÉÒÔ²»ÌîÂú£¬Ò²¿ÉÒÔÔÙ²¹³ä¡££©
ÐòºÅ
»¯Ñ§Ê½
¢ñ
 
¢ò
 
¢ó
 
£¨4£©ÇëÉè¼ÆÒ»¸öʵÑé½øÒ»²½È·¶¨»ìºÏÎïµÄ×é³É£¬¼òÊöʵÑé²½Öè¡¢ÏÖÏóºÍ½áÂÛ¡£
                                                              
£¨1£©CaCO3+2HCl=CaCl2+H2O+CO2¡ü£¨2·Ö£©
£¨2£©CuSO4£»£¨2·Ö£©  CaCO3¡¢KCl£»£¨2·Ö£©
£¨3£©£¨¸÷2·Ö£©
I
CaCO3¡¢Na2SO4¡¢KCl
II
CaCO3¡¢KCl¡¢Ba (NO3)2
£¨4£©ÓÃÊÔ¹ÜÈ¡ÊÊÁ¿¢Ù¹ýÂ˵õÄÎÞÉ«ÈÜÒº£¬¼ÓÈëÉÙÁ¿BaCl2ÈÜÒº£¬Èô²úÉú°×É«³Áµí£¬ÔòΪ×éºÏI£¬·ñÔòΪ×éºÏII¡££¨3·Ö£©
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

»¯Ñ§ÊµÑéÊÇʵÏÖ¿Æѧ̽¾¿µÄÖØҪ;¾¶¡£Ç뽫ÏÂÁÐÓйØʵÑéµÄÎÊÌâÌîдÍêÕû¡£
£¨1£©ÏÂͼÊÇ̽¾¿ÂÈÆøÐÔÖʵIJ¿·ÖʵÑé×°Öá£ÊµÑéÊÒ¿ÉÓÃŨÑÎËáÓë¶þÑõ»¯Ã̹²ÈÈÀ´ÖÆÈ¡ÂÈÆø£¬Í¬Ê±Éú³É¶þÂÈ»¯ÃÍ£¨MnC12£©ºÍË®£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ         £»ÊµÑéʱ£¬A×°ÖÃÖеÄKIµí·ÛÊÔÖ½±äÀ¶É«£¬ÆäÔ­ÒòÊÇ       £»B×°ÖÃÖпɹ۲쵽µÄÏÖÏóÊÇ       £»C×°ÖÃÖÐNaOHÈÜÒºµÄ×÷ÓÃÊÇ               £¬Óйط´Ó¦µÄÀë×Ó·½³ÌʽΪ            ¡£

£¨2£©Ä³Ñо¿ÐÔѧϰС×éµÄͬѧÓÃÒÔÏÂÒÇÆ÷×éºÏµÄ×°ÖÃÖÆÈ¡°±Æø£¬²¢Ì½¾¿°±ÆøÓëÑõ»¯Í­·´Ó¦µÄÐÔ
ÖÊ£¨ÒÑÖª£º2NH3+3CuON2+3H2O+3Cu£©¡£

Çë´ÓÉÏͼÖÐÑ¡ÓÃËùÐèµÄÒÇÆ÷×é³ÉÒ»Ì××°ÖÃÖÆÈ¡°±Æø£¬²¢Ê¹°±ÆøÓëÑõ»¯Í­·´Ó¦£¬Í¬Ê±Ö¤Ã÷¸Ã·´Ó¦ÓÐË®Éú³É¡£Ï±íÊÇ°´ÒÇÆ÷µÄÁ¬½Ó˳ÐòÓÉÉÏÖÁÏÂÒÀ´ÎÌîдµÄ£¬Ç뽫¸Ã±í²¹³äÌîдÍêÕû¡£
Ñ¡ÓõÄÒÇÆ÷£¨Ìî×Öĸ£©
¼ÓÈëµÄÊÔ¼Á
×÷ÓÃ
 
 
·´Ó¦Æ÷£¨»ò·¢ÉúÆøÌ壩
C
 
 
 
Ñõ»¯Í­
ʹ°±ÆøÓëÑõ»¯Í­·´Ó¦
 
 
 
 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

(14·Ö)ÊÇÒ»ÖÖ´óÆøÎÛȾÎijÐËȤС×éÓû̽¾¿µÄÐÔÖʼ°ÂÌɫʵÑéµÄ·½·¨£¬Éè¼ÆÈçÏ·½°¸¡£

(1)×°ÖÃAÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ                             £»
ΪÁËʵÏÖÂÌɫʵÑéµÄÄ¿±ê£¬¼×ͬѧÖØÐÂÉè¼ÆÁËÈçÏÂͼA¡äÖÆȡװÖãº

ÓëA×°ÖÃÏà±È£¬A¡ä ×°ÖõÄÓŵãÊÇ£º
¢Ù                                    £»
¢Ú                                    £»
(2)»»ÓÃA¡ä ×°Öú󣬼ÌÐø½øÐÐÏÂÁÐʵÑé¡£
I£®ÑéÖ¤µÄÑõ»¯ÐÔ£ºC×°ÖÃÖпÉÑ¡ÊÔ¼Á     (ÌîÐòºÅ)£»
A£®Ba(HCO3)2ÈÜÒºB£®ÇâÁòËáC£®äåË®D£®Æ·ºìÈÜÒº
II£®ÑéÖ¤µÄ»¹Ô­ÐÔ£ºC×°ÖÃÖпÉÓÃÊÔ¼Á           (ÌîÃû³Æ)£»
ÓøÃÊÔ¼ÁµÄÀíÓÉÊÇ¢Ù               £»¢Ú               £»
(3)D×°ÖÃÖе¼¹Ü϶˵¹Ö鶷µÄ×÷ÓÃÊÇ                             £»
(4)¹¤ÒµÉú²úÁòËáÓÐÈý¸ö½×¶Î£¬¢ÙÆäÖÐÓûÆÌú¿óÖƱ¸µÄ»¯Ñ§·´Ó¦·½³ÌʽΪ£º___________________________________________________£¬
¢ÚβÆøÓð±ÎüÊÕµÄÄ¿µÄÊÇ£º                                                   ¡£w^w

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

£¨12·Ö£©Ä³Ð£»¯Ñ§ÐËȤС×éѧÉúΪÁË̽¾¿ÒÒËᡢ̼ËáºÍ±½·ÓµÄËáÐÔÇ¿Èõ£¬¸ÃУѧÉúÏÈ×é×°ÁËÓÒͼµÄʵÑé×°Ö㨼гÖÒÇÆ÷ÒÑÂÔÈ¥£©¡£½øÐÐÁË

ÏÂÊöһЩʵÑ飺
£¨1£©Ä³Éú¼ì²é×°ÖÃAµÄÆøÃÜÐÔʱ£¬ÏȹرÕֹˮ
¼Ð£¬´Ó×ó¹ÜÏòUÐ͹ÜÄÚ¼ÓË®£¬ÖÁ×ó¹ÜÒºÃæ¸ßÓÚÓÒ
¹ÜÒºÃ棬¾²ÖÃÒ»¶Îʱ¼äºó£¬ÈôUÐ͹ÜÁ½²àÒºÃæ²î²»·¢Éú±ä»¯£¬ÔòÆøÃÜÐÔÁ¼ºÃ¡£ÄãÈÏΪ¸ÃѧÉúµÄ²Ù×÷ÕýÈ·Óë·ñ£¿        (Ìî¡°ÕýÈ·¡±»ò¡°´íÎó¡±)
£¨2£©´óÀíʯÓëÒÒËáÈÜÒº·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ                                     
£¨3£©×°ÖÃAÖз´Ó¦²úÉúµÄÆøÌåͨÈë±½·ÓÄÆÈÜÒºÖУ¬ÊµÑéÏÖÏóΪ                   £¬·´Ó¦µÄÀë×Ó·½³ÌʽΪ                                               ¡£
£¨4£©ÓÐѧÉúÈÏΪ£¨2£©ÖеÄʵÑéÏÖÏó²»×ãÒÔÖ¤Ã÷̼ËáµÄËáÐԱȱ½·ÓÇ¿£¬ËûµÄÀíÓÉÊÇ                    ¡£¸Ä½ø¸Ã×°Öõķ½·¨ÊÇ                                 ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

Í­¼°Æ仯ºÏÎïÒ»°ã¶¼¾ßÓÐÌØÕ÷µÄÑÕÉ«£¬ÀýÈçCu¡¢Cu2O³ÊºìÉ«£¬CuO³ÊºÚÉ«£¬CuSO4¡¤5H2O³ÊÀ¶É«µÈ¡£Ñо¿ÐÔѧϰС×é¼×Ϊ¼ì²âʵÑéÊÒÓÃH2»¹Ô­CuOËùµÃºìÉ«¹ÌÌåÖÐÊÇ·ñº¬ÓÐCu2O½øÐÐÁËÈÏÕæµÄ̽¾¿¡£
¢ñ£®²éÔÄ×ÊÁÏ£º¢ÙCu2OÊôÓÚ¼îÐÔÑõ»¯Î ¢ÚÔÚ¿ÕÆøÖÐ×ÆÉÕCu2OÉú³ÉCuO£»¢ÛCu2OÔÚËáÐÔÌõ¼þÏÂÄÜ·¢ÉúÏÂÁз´Ó¦£ºCu2O£«2H+£½Cu£«Cu2+£«H2O¡£
¢ò£®Éè¼ÆʵÑé·½°¸£º
·½°¸1£ºÈ¡¸ÃºìÉ«ÊÔÑùÈÜÓÚ×ãÁ¿µÄÏ¡ÏõËáÖУ¬¹Û²ìÈÜÒºÑÕÉ«±ä»¯
·½°¸2£ºÈ¡¸ÃºìÉ«ÊÔÑùÈÜÓÚ×ãÁ¿µÄÏ¡ÁòËáÖУ¬¹Û²ìÈÜÒºÊÇ·ñ³ÊÀ¶É«
¢ÅÇëÄãÆÀ¼Û·½°¸1ºÍ·½°¸2¡£Èç¹ûÄãÈÏΪ·½°¸ºÏÀí£¬Çë¼òÊöÆ仯ѧԭÀí£»Èç¹ûÄãÈÏΪ¸Ã·½
°¸²»ºÏÀí£¬Çë¼òÊöÔ­Òò¡£
·½°¸1 £º                                                                                                                                               
·½°¸2 £º                                                                            
¢ó£®Ñо¿ÐÔѧϰС×éÒÒ£¬Éè¼ÆÁËеÄ̽¾¿·½°¸£¬Äâͨ¹ý¸ÉÔï¹ÜÖÐCuSO4ÊÇ·ñ±äÀ¶ÅжϺìÉ«¹ÌÌåÖÐÊÇ·ñº¬ÓÐCu2O£¬×°ÖÃÈçͼËùʾ¡£

(2)Ϊȷ±£Ì½¾¿µÄ¿Æѧ¡¢ºÏÀí¡¢°²È«£¬ÄãÈÏΪʵÑéÖл¹Ó¦²ÉÈ¡µÄ´ëÊ©ÓУº     (ÌîÐòºÅ)
A£®ÔÚÇâÆø·¢ÉúÆ÷ÓëÓ²Öʲ£Á§¹ÜÖ®¼ä¼ÓÒ»¸ö¸ÉÔï×°ÖÃ
B£®¼ÓÈÈÇ°ÏÈÅž¡×°ÖÃÖеĿÕÆø
C£®ÔÚÊ¢ÓÐÁòËáÍ­µÄ¸ÉÔï¹ÜºóÔÙÁ¬½ÓÒ»¸ö×°Óмîʯ»ÒµÄ¸ÉÔï¹Ü

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ij¿ÎÍâ»î¶¯Ð¡×éÓÃÈçͼËùʾµÄʵÑé×°ÖÃ̽¾¿ÂÈÆøÓë°±ÆøÖ®¼äµÄ·´Ó¦¡£ÆäÖÐA¡¢FΪ°±ÆøºÍÂÈÆøµÄ·¢Éú×°Öã¬CΪ´¿¾»¡¢¸ÉÔïµÄÂÈÆøÓë°±Æø·´Ó¦µÄ×°Öá£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©×°ÖÃFÖз¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽÊÇ                             ¡£
£¨2£©×°ÖÃAÖеÄÉÕÆ¿ÄÚ¹ÌÌå¿ÉÑ¡Óà             £¨Ñ¡ÌîÒÔÏÂÑ¡ÏîµÄ´úºÅ£©¡£
A.¼îʯ»Ò    B.ŨÁòËá    C.Éúʯ»Ò    D.ÎåÑõ»¯¶þÁ×    E.ÉÕ¼î
£¨3£©ÐéÏß¿òÄÚÓ¦Ìí¼Ó±ØÒªµÄ³ýÔÓ×°Öã¬Çë´ÓÓÒͼµÄ±¸Ñ¡×°ÖÃÖÐÑ¡Ôñ£¬²¢½«±àºÅÌîÈëÏÂÁпոñ¡£B                ¡¢D                ¡¢E                ¡£
£¨4£©ÂÈÆøºÍ°±ÆøÔÚ³£ÎÂÏ»ìºÏ¾ÍÄÜ·¢Éú·´Ó¦Éú³ÉÂÈ»¯ï§ºÍµªÆø£¬¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º                       £»×°ÖÃCÄÚ³öÏÖŨºñµÄ°×Ñ̲¢ÔÚÈÝÆ÷ÄÚ±ÚÄý½á£¬ÇëÉè¼ÆÒ»¸öʵÑé·½°¸¼ø¶¨¸Ã¹ÌÌå¾ÍÊÇÂÈ»¯ï§£º                                        ¡£
£¨5£©Èô´Ó×°ÖÃCµÄG´¦ÒݳöµÄβÆøÖк¬ÓÐN2ºÍÉÙÁ¿C12£¬Ó¦ÈçºÎ´¦Àí£¿
                                                                        ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

¸ù¾Ý°±Æø»¹Ô­Ñõ»¯Í­µÄ·´Ó¦£¬¿ÉÉè¼Æ²â¶¨Í­ÔªËØÏà¶ÔÔ­×ÓÖÊÁ¿Ã´ (½üËÆÖµ)µÄʵÑé¡£ÏȳÆÁ¿·´Ó¦ÎïÑõ»¯Í­µÄÖÊÁ¿m(CuO)£¬·´Ó¦ÍêÈ«ºó²â¶¨Éú³ÉÎïË®µÄÖÊÁ¿m(H20)£¬Óɴ˼ÆË㡣Ϊ´Ë£¬ÌṩµÄʵÑéÒÇÆ÷¼°ÊÔ¼ÁÈçÏÂ(¸ù¾ÝÐèÒª¿ÉÖظ´Ñ¡Ó㬼ÓÈëµÄNH4C1ÓëCa(OH)2µÄÁ¿×ãÒÔ²úÉúʹCuOÍêÈ«»¹Ô­µÄ°±Æø)£º

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
(1)°±Æø»¹Ô­³ãÈÈÑõ»¯Í­µÄ»¯Ñ§·½³ÌʽΪ________________________________£»
(2)´ÓËùÌṩµÄÒÇÆ÷¼°ÊÔ¼ÁÖÐÑ¡Ôñ²¢×é×°±¾ÊµÑéµÄÒ»Ì׺ÏÀí¡¢¼òµ¥µÄ×°Ö㬰´ÆøÁ÷·½ÏòµÄÁ¬½Ó˳ÐòΪ(ÓÃͼÖбê×¢µÄµ¼¹Ü¿Ú·ûºÅ±íʾ)a¡ú______________________________£»
(3)ÔÚ±¾ÊµÑéÖУ¬Èô²âµÃm(CuO)=" a" g£¬m(H2O)= b g£¬ÔòAr(Cu)= _______________£»
(4)ÔÚ±¾ÊµÑéÖУ¬Ê¹²â¶¨½á¹ûAr(Cu)Æ«´óµÄÊÇ_______________ (ÌîÐòºÅ)£»
1Cu0δÍêÈ«Æð·´Ó¦         ¢Ú CuO²»¸ÉÔï
3Cu0ÖлìÓв»·´Ó¦µÄÔÓÖÊ   ¢Ü¼îʯ»Ò²»¸ÉÔï
¢ÝNH4C1ÓëCa(OH)2»ìºÏÎï²»¸ÉÔï
(5)ÔÚ±¾ÊµÑéÖУ¬»¹¿Éͨ¹ý²â¶¨_______________ºÍ_______________£¬»ò_______________ºÍ_______________´ïµ½ÊµÑéÄ¿µÄ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

ÐÂÐͲÄÁÏÄÉÃ×·Û¾ßÓг¬Ç¿µÄ´ÅÐÔÄÜ£¬¿ÉÓÃ×÷¸ßÃܶȴżÇ¼µÄ½éÖÊÒÔ¼°¸ßЧ´ß»¯¼ÁµÈ¡£ÔÚ²»Í¬Î¶ÈÏ£¬·ÛÓëË®ÕôÆø·´Ó¦µÄ¹ÌÌå²úÎﲻͬ£ºÎ¶ȵÍÓÚ570¡æʱ£¬Éú³ÉFeO£¬¸ßÓÚ570¡æʱ£¬Éú³ÉFe3O4¡£Ä³Ð£»¯Ñ§Ð¡×éѧÉúÀûÓÃÏÂͼËùʾװÖýøÐС°ÌúÓëË®·´Ó¦¡±µÄʵÑ飬²¢Ì½¾¿¹ÌÌå²úÎï³É·Ö£¨Í¼Öмгּ°Î²Æø´¦Àí×°ÖþùÒÑÂÔÈ¥£©¡£
 
£¨1£©ÔÚ¸ßÎÂÏ£¬×°ÖÃBÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ                         ¡£
£¨2£©ÇëÔÚÏÂÁÐ×°ÖÃÖÐÑ¡ÔñÂú×ãÐéÏß¿òͼCµÄÆøÌåÊÕ¼¯×°Öà                 ¡£
 
£¨3£©¸ÃС×éͬѧΪ̽¾¿ÊµÑé½áÊøºóÊÔ¹ÜÄڵĹÌÌåÎïÖʳɷ֣¬½øÐÐÁËÏÂÁÐʵÑ飺
¡¾²éÔÄ×ÊÁÏ¡¿¸ÃС×éͬѧͨ¹ý×ÊÁϵÃÖª£¬¹ÌÌå²úÎïÖÐÒ»°ã²»»áͬʱ³öÏÖÈýÖÖÐÎ̬»ìºÏÎï×éºÏ¡£
¡¾Ìá³ö¼ÙÉè¡¿
¼ÙÉè1£ºÈ«²¿ÎªÑõ»¯ÑÇÌú£»
¼ÙÉè2£ºÈ«²¿ÎªËÄÑõ»¯ÈýÌú£»
¼ÙÉè3£ºÌúºÍÑõ»¯ÑÇÌú»ìºÏÎ
¼ÙÉè4£ºÌúºÍËÄÑõ»¯Èý¶ù»ìºÏÎ
¼ÙÉè5£º                                        ¡£
¡¾Éè¼Æ·½°¸¡¿Ð¡×é³ÉÔ±ÌÖÂÛºó¶Ô¼ÙÉè4Ìá³öʵÑé·½°¸£¨²»ÒªÔÚ´ðÌ⿨ÉÏ×÷´ð£©
¡¾ÊµÑé¹ý³Ì¡¿
¸ù¾ÝÉÏÊöÉè¼ÆµÄ·½°¸½øÐÐʵÑé¡£ÔÚ´ðÌ⿨ÉÏ°´Ï±íµÄ¸ñʽд³öʵÑé²½Öè¡¢Ô¤ÆÚÏÖÏóÓë½áÂÛ¡£
ʵÑé²½Öè
ʵÑé²Ù×÷
ʵÑéÏÖÏó
¢ñ
½«·´Ó¦ºóµÃµ½ºÚÉ«·ÛÄ©X£¨¼Ù¶¨Îª¾ùÔȵģ©£¬È¡³öÉÙÁ¿·ÅÈëÁíÒ»ÊÔ¹ÜÖУ¬¼ÓÈëÊÊÁ¿ÑÎËᣬ΢ÈÈ
ºÚÉ«·ÛÄ©È«²¿Èܽ⣬ÈÜÒº³Ê    £¬ÓÐÉÙÁ¿ÆøÅݲúÉú
¢ò
ÏòʵÑé¢ñÖеõ½µÄÈÜÒº¼Ó¼¸µÎKSCNÈÜÒº£¬Õñµ´
ÈÜÒº²»ÏÔѪºìÉ«
        ¡¾½»Á÷ÌÖÂÛ¡¿¢ÙʵÑé²½Öè¢ò¼ÓÈë KSCNºóÈÜÒº²»ÏÔѪºìÉ«µÄÔ­Òò                 ¡£
¢Ú¼ÌÐøÏò¢òÈÜÒºÖмÓÏ¡ÏõËᣬÁ¢¼´³öÏÖѪɫ£¬Ð´³ö¸Ã¹ý³ÌÖз¢Éú±ä»¯µÄ
Àë×Ó·½³Ìʽ               ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÁйØÓÚʵÑéÔ­Àí»ò²Ù×÷µÄÐðÊöÖУ¬ÕýÈ·µÄÊÇ                                            £¨   £©
A£®ÓÃÎÞË®ÒÒ´¼´ÓµâË®ÖÐÌáÈ¡µ¥Öʵâ
B£®Ï¡ÊÍŨÁòËáʱ£¬Ó¦½«Å¨ÁòËỺ»º×¢ÈëÊ¢ÓÐË®µÄÁ¿Í²ÖÐ
C£®ÅäÖÆ£®FeCl3ÈÜҺʱ£¬ÏòÈÜÒºÖмÓÈëÉÙÁ¿FeºÍÏ¡ÑÎËá
D£®Ìá´¿»ìÓÐÉÙÁ¿ÒÒËáµÄÒÒ´¼£¬¿ÉÏȼÓÉúʯ»ÒÔÙÕôÁó

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸