ÑÇÐÇÓÎÏ·

ÑÇÐÇÓÎÏ·

ÌìÏÂ×Éѯµç»°£º
13955040807

µçÀ³£¼ûÎÊÌâ

ʲôÊÇPUÂÝÐýµçÀ£¿£¿£¿£¿£¿£¿

PUÂÝÐýµçÀµÄʹÓó¡ºÏ£ºÖ÷ÒªÓÃÓÚ¿ØÖÆÕÉÁ¿¼°¶¯Á¦µç·ÖУ¬ £¬£¬²¢Ó¦ÓÃÓÚ×Ô¶¯»¯ÐÐÒµ¡¢×°ÅäÏß¡¢Éú²úÏߵȡ£¡£È磬 £¬£¬»úеÈËÍù¸´Ô˶¯£¬ £¬£¬»úеÈËÊÖ±Û£¬ £¬£¬Æû³µÃÅ£¬ £¬£¬ïÔ¿Ì»ú£¬ £¬£¬»ú´²¼Ó¹¤×°±¸£¬ £¬£¬Ä¾½³»úе£¬ £¬£¬ÎïÁ÷ÔËËÍϵͳ£¬ £¬£¬ÆðÖØ»úºÍÒ±½ð¹¤ÒµµÈ¡£¡£

PUÂÝÐýµçÀµÄʹÓÃÒªÁ죺ÍÏÁ´µçÀÂÓëÍÏÁ´²¢Ó㬠£¬£¬Ð§¹û»á¸üºÃ £»£»£»ÓÃÓÚ¶Ô¿¹µç´Å×ÌÈÅÒªÇó½Ï¸ßµÄ³¡ºÏ£¬ £¬£¬½ÓÄÉÍ­Ë¿±àÖ¯ÆÁÕÏ¡£¡£ÔÚʪÈóÇéÐÎÏÂʹÓ㬠£¬£¬ÔÚÊÊÓõÄζȹæÄ£ÄÚ£¬ £¬£¬Â¶ÌìʹÓÃÐë¼Ó·À×ÏÍâÏß×°Öᣡ£

¶¨ÖƲî±ðÇéÐÎʹÓõĵçÀ£¬ £¬£¬ÇкϿͻ§ÐèÇó£¬ £¬£¬Çëµã»÷Ï·½www.zgsljt.com
±âµçÀÂÒý½ÓÏßF46µçÀ¶¡ÇçµçÀ±¾°²µçÀÂ
±äƵµçÀ°éÈÈ´ø¶¡ëæµçÀÂ±âÆ½µçÀ¸ßѹµçÀÂ
µçÁ¦µçÀÂÌØÖÖµçÀÂÆÁÕϵçÀ µçÀÂÏðÌ×µçÀÂ
¿óÓõçÀÂÂÝÐýµçÀÂÈáÐÔµçÀ´¿Í­½ÊÏß ³µ¿âµçÀÂ
ÄÍÄ¥µçÀµÍεçÀ·ÀË®µçÀÂÄÍ»ðµçÀÂÍ­°üÂÁµçÀÂ
¸ßεçÀ¾íͲµçÀÂÄͺ®µçÀÂÅâ³¥µ¼ÏßÄÍÓÍ·À¸¯µçÀÂ
±âÐ͵çÀ½»ÁªµçÀÂͨѶµçÀ¹èÏ𽺵çÀÂÈáÐÔËÅ·þµçÀÂ
ÍÏÁ´µçÀ»ú³µµçÀ·À»ðµçÀÂÐгµµçÀ¶ÆÒøÏß¶ÆÎýÏß
¹â·üµçÀ¿ØÖƵçÀ´¬ÓõçÀÂÅÌËã»úµçÀ»úеÈ˵çÀÂ
±âÐεçÀÂÍÏÁîµçÀÂÐźŵçÀ·ÀÊó·ÀÒϵçÀÂÌú·»ú³µµçÀÂ
ÒDZíµçÀµçÌݵçÀÂÄ͸ßεçÀµç»úÒý½ÓÏß¾Û°±õ¥µçÀÂ

 

ʲôÊǵ¯»ÉµçÀ£¿£¿£¿£¿£¿£¿

ʹÓÃζȹæÄ££º

Àο¿×°Öãº-50¡æ~+90¡æ

ÒÆ¶¯×°Öãº-30¡æ~+90¡æ

Ö÷ÒªÖ¸±ê£ºÍäÇúÊÙÃü£º500Íò´ÎÒÔÉÏ¡£¡£

ÒÆ¶¯ËÙÂÊ£º10m/s

¶î¶¨µçѹ£º£¼0.5mm2300/300V £»£»£» ¡Ý0.5mm2300/500V

²âÊÔµçѹ£º2000V

ºÜСÍäÇú°ë¾¶£º

Àο¿×°Öãº5xµçÀÂÍâ¾¶

ÒÆ¶¯×°ÖãºÐг̣¼10Ã×ʱ£¬ £¬£¬ÍäÇú°ë¾¶Îª7.5xD

Ðг̡Ý10Ã×ʱ£¬ £¬£¬ÍäÇú°ë¾¶Îª10xD

ÌØÕ÷£º·ÀË®¡¢·ÀÓÍ¡¢Äͺ®¡¢¿¹×ÏÍâÏß¡¢ÄÍÄ¥£¬ £¬£¬ÊÊÓÃÓÚ¸ÉÔï»òʪÈóµÄÊÒÄÚ£¬ £¬£¬ÎÞǿӦÁ¦»ºÊÍ»òÇ¿ÖÆÖ¸µ¼µÄ×ÔÓÉÒ»Á¬Íù¸´Ô˶¯ÏµÄ×°Ö㬠£¬£¬ÌØÊâÊǹ¤ÒµÊ¹ÓÃÇéÐÎÏÂµÄÆµÈÔÍäÇú³¡ºÏ£¬ £¬£¬Èçľ½³»úе¡¢»ú´²¼Ó¹¤×°±¸¡¢ÎïÁ÷ÔËËÍϵͳ¡¢ÆðÖØ»ú³¡ºÏµÈ¡£¡£

¶¨ÖƲî±ðÇéÐÎʹÓõĵçÀ£¬ £¬£¬ÇкϿͻ§ÐèÇó£¬ £¬£¬Çëµã»÷Ï·½www.zgsljt.com
±âµçÀÂÒý½ÓÏßF46µçÀ¶¡ÇçµçÀ±¾°²µçÀÂ
±äƵµçÀ°éÈÈ´ø¶¡ëæµçÀÂ±âÆ½µçÀ¸ßѹµçÀÂ
µçÁ¦µçÀÂÌØÖÖµçÀÂÆÁÕϵçÀ µçÀÂÏðÌ×µçÀÂ
¿óÓõçÀÂÂÝÐýµçÀÂÈáÐÔµçÀ´¿Í­½ÊÏß ³µ¿âµçÀÂ
ÄÍÄ¥µçÀµÍεçÀ·ÀË®µçÀÂÄÍ»ðµçÀÂÍ­°üÂÁµçÀÂ
¸ßεçÀ¾íͲµçÀÂÄͺ®µçÀÂÅâ³¥µ¼ÏßÄÍÓÍ·À¸¯µçÀÂ
±âÐ͵çÀ½»ÁªµçÀÂͨѶµçÀ¹èÏ𽺵çÀÂÈáÐÔËÅ·þµçÀÂ
ÍÏÁ´µçÀ»ú³µµçÀ·À»ðµçÀÂÐгµµçÀ¶ÆÒøÏß¶ÆÎýÏß
¹â·üµçÀ¿ØÖƵçÀ´¬ÓõçÀÂÅÌËã»úµçÀ»úеÈ˵çÀÂ
±âÐεçÀÂÍÏÁîµçÀÂÐźŵçÀ·ÀÊó·ÀÒϵçÀÂÌú·»ú³µµçÀÂ
ÒDZíµçÀµçÌݵçÀÂÄ͸ßεçÀµç»úÒý½ÓÏß¾Û°±õ¥µçÀÂ

ʲôÊÇÂÝÐýÏߣ¿£¿£¿£¿£¿£¿

1

2

ʲôÊǵ¯¹­Ïߣ¿£¿£¿£¿£¿£¿

µ¯»ÉÏßÐèÒª¶©¹ºµÄ¿Í»§ÐèÏàʶÒÔϹæ¸ñ £»£»£»
   Ò»¡¢ µ¯»ÉÏߵijƺôÓÐ £¨µ¯¹­Ïß¡¢ÂÝÐýÏß¡¢¾íÏß¡¢ÇúÏß¡¢ÉìËõÏߣ©
   ¶þ¡¢ µ¯»ÉÏߵϤÌ×ÖÊÁÏÓÐ £¨PU¡¢PVC¡¢PE ) £¨ÑÕÉ«¶àÖÖ£©
   Èý¡¢ ÐÄÌïµÄ»¤Ì×µÄÖÊÁÏÓР £¨PU¡¢PE¡¢PVC¡¢PP£©£¨ÑÕÉ«¶àÖÖ£©
   ËÄ ¡¢µ¯»ÉÏߵĹæ¸ñÓÐ £»£»£»
    1¡¢µ¯»ÉµÄȦ¾­   £¨¾ÍÊÇÈÆ³Éµ¯»ÉºóÔ°µÄÖ±¾¶·ÖΪÄÚ¾­ºÍÍâ¾­¡¢Ò²¾ÍÊDZí´ïµ¯»ÉȦµÄ¾ÞϸµÄ£©
    2¡¢µ¯»ÉµÄ³¤¶È   £¨ÓÉÖ±ÏßÈÆ³Éµ¯»ÉºóÿȦ°¤ÔÚÒ»Æðºó×ܵij¤¶È£©
    3¡¢µ¯»ÉÏßµÄÖ±¾­ £¨Ö±ÏߵľÞϸ¡£¡£³ÆÎªÏß¾­¡£¡£Ò²¾ÍÊÇÏߵĴÖϸ´óС£¡£©
    4¡¢µ¯»ÉÁ½Í·ÁôβµÄ³¤¶È £¨¾ÍÊǵ¯»ÉÁ½Í·Ö±Ïß²¿·ÖµÄ³¤¶È£©
    5¡¢À­Ö±µÄ×ܳ¤¶È £¨¾ÍÊÇÕûÌåÀ­Ö±ºóµÄ³¤¶È£¨°üÀ¨µ¯»É²¿·Ö£©
    6¡¢ÄÚµ¼ÌåµÄ¹æ¸ñ £¨¾ÍÊÇÐÄÌïÄÚÀïÍ­Ë¿µÄ¼¸¶à¡£¡£Ò»Ñùƽ³£ÌåÏÖÒªÁìÊÇMM2 /AWGÏ߹棨ÃÀ±êÌåÏÖÒªÁ죩
Îå¡¢µ¯»ÉÏßµÄÓ²¶ÈÓУ¨75-80-85-90-95-100-105£©¶È 75ΪºÜµÍµã£¨ºÜÈí£©¡¢105ΪºÜ¸ßµÄ£¨×ìÓ²£©
Áù¡¢µ¯»ÉÏßµÄÑÕÉ«ÓУ¨ÁÁÃæ¡¢ÎÚÃæ£¨Ò²±»³ÆÎªÑǹ⣩
Æß¡¢±¾¹«Ë¾Éú²úËùÓÃÖÊÁÏ £»£»£»Ò»Ö ¡¢ÇÒ²úÆ·ÓÐÇå¾²ÈÏÖ¤
   ×¢ £»£»£»ÈçÐè×¢ËÜ»òÅþÁ¬¸÷¹ú²åÍ·/DC²åÍ·¡¢ÒôƵ²åÍ·¡¢µãÑÌÆ÷/ÊÊÅäÆ÷¡¢
  ¶Ë×ӵȲúÆ·µÄʱ¼äÑç¿Í»§ÌṩÏà¹Ø×ÊÁÏͼƬµÈ£©

¶¨ÖƲî±ðÇéÐÎʹÓõĵçÀ£¬ £¬£¬ÇкϿͻ§ÐèÇó£¬ £¬£¬Çëµã»÷Ï·½www.zgsljt.com
±âµçÀÂÒý½ÓÏßF46µçÀ¶¡ÇçµçÀ±¾°²µçÀÂ
±äƵµçÀ°éÈÈ´ø¶¡ëæµçÀÂ±âÆ½µçÀ¸ßѹµçÀÂ
µçÁ¦µçÀÂÌØÖÖµçÀÂÆÁÕϵçÀ µçÀÂÏðÌ×µçÀÂ
¿óÓõçÀÂÂÝÐýµçÀÂÈáÐÔµçÀ´¿Í­½ÊÏß ³µ¿âµçÀÂ
ÄÍÄ¥µçÀµÍεçÀ·ÀË®µçÀÂÄÍ»ðµçÀÂÍ­°üÂÁµçÀÂ
¸ßεçÀ¾íͲµçÀÂÄͺ®µçÀÂÅâ³¥µ¼ÏßÄÍÓÍ·À¸¯µçÀÂ
±âÐ͵çÀ½»ÁªµçÀÂͨѶµçÀ¹èÏ𽺵çÀÂÈáÐÔËÅ·þµçÀÂ
ÍÏÁ´µçÀ»ú³µµçÀ·À»ðµçÀÂÐгµµçÀ¶ÆÒøÏß¶ÆÎýÏß
¹â·üµçÀ¿ØÖƵçÀ´¬ÓõçÀÂÅÌËã»úµçÀ»úеÈ˵çÀÂ
±âÐεçÀÂÍÏÁîµçÀÂÐźŵçÀ·ÀÊó·ÀÒϵçÀÂÌú·»ú³µµçÀÂ
ÒDZíµçÀµçÌݵçÀÂÄ͸ßεçÀµç»úÒý½ÓÏß¾Û°±õ¥µçÀÂ

ʲôÊÇÉìËõÏߣ¿£¿£¿£¿£¿£¿

ÂÝÐýµçÀ£¨ÓÖÃû£ºÉìËõÏߣ©
ÏÕЩËùÓеÄÐÐÒµ¶¼ÓÐÐëҪʹÓÃÂÝÐýµçÀ¡£¡£²»¹ÜÔÚͨѶ£¨µç»°£¬ £¬£¬ÎÞÏߵ磩ÕÕ¾ÉÒ½ÁÆÊÖÒÕ¡¢µçÁ¦»ú³µ¹¤Òµ¡¢»úе¹¤³Ì£¬ £¬£¬»òÕßÔÚÕÕÃ÷¹¤Òµ£¬ £¬£¬ÂÝÐýµçÀÂÔÚÿ¸öµØ·½¶¼ÓÐÓ¦Óᣡ£³ýÁËµçÆø£­»úеÓŵãÍ⣬ £¬£¬ÂÝÐýµçÀ³£³ £»£»£ÕÕ¾É×÷ΪÓÅÒìµÄ¹âѧ½á¹¹½â¾ö¼Æ»®¡£¡£ÈôÊÇÄúʹÓÃPVCºÍPURµçÀ£¬ £¬£¬ÂÝÐýµçÀµÄÑÕÉ«´ó´ó¶¼ÇéÐÎÏ¿ÉÒÔºÍÎïÌåµÄÑÕÉ«ÏàЭµ÷¡£¡£Í¬Ê±ÎÒÃÇÒ²¿ÉÒÔ¹©Ó¦£ºÆÁÕÏÐÍÂÝÐýµçÀ¡£¡£ÂÝÐýÐε¯»ÉµçÀÂϵÁС¢ÒÇÆ÷ÒDZíÓÃÂÝÐýµçÀ¡¢Æû³µµçÔ´Óõ¯»ÉÏß¡¢±äѹÆ÷µçÔ´ÓÃÂÝÐýµçÀ¡¢´óÐÍ»úµç×°±¸ÓÃÂÝÐýµçÀ¡¢Ï´åª»úµçÔ´ÓÃÂÝÐýµçÀ¡¢µç±í×Ô¶¯¼Æ·ÑרÓÃ5оµ¯»ÉÏߵȵÈ¡£¡£

1¡¢PVCÂÝÐýµçÀ£º¾­¼ÃÐԸߣ¬ £¬£¬µÍ»úеºÍ¿¹»¯Ñ§ÄÜÁ¦¡£¡£Öеȵ¯ÐÔÁ¦¡£¡£ÊʺÏÓÚÇṤҵ¡¢ÅÌËã»úµÈ³¡ºÏ×°ÖÃʹÓᣡ£

2¡¢PURÂÝÐýµçÀ£ººÜÊǺõĵ¯ÐÔÁ¦¡£¡£¾ßÓÐÓÐÓõĻúеºÍ»¯Ñ§ÐÔÄÜ£¬ £¬£¬ÌØÊâÄͺ®¡¢ÄÍÓÍ¡¢¿¹ÌìÆø¡¢¿¹Ä¥ËðºÍ¿¹ËºÁÑ¡£¡£ÊÊÓÃÓÚ»úÐµÖÆÔì¡¢µç¶¯¹¤¾ßµÈ³¡ºÏʹÓ㬠£¬£¬ÔÚÓ¦ÓõĴó´ó¶¼ÁìÓò£¬ £¬£¬ÊǺÜÓŵĽâ¾ö¼Æ»®¡£¡£

3¡¢PURÆÁÕÏÐÍÂÝÐýµçÀ£º¾ßÓÐÓÐÓõĻ¯Ñ§ÐÔÄÜ¡£¡£ÌØÊâÄͺ®¡¢ÄÍÓÍ¡¢¿¹ÌìÆø¡¢¿¹Ä¥ËðºÍ¿¹ËºÁÑ¡£¡£ÂÝÐýÕûÌåÆÁÕϽṹ¿É¶Ô¿¹ÖÖÖÖµç´Å×ÌÈÅ£¬ £¬£¬ÌØÊâÊÊÓÃÓÚÒ½ÁÆ¡¢°ëµ¼Ì塢оƬµÈËùÓÐÐèÒª¼«Ð¡×°ÖÿռäµÄ³¡ºÏ¡£¡£

4¡¢Âȶ¡Ïð½ºÂÝÐýµçÀ£ººÜ½áʵµÄÂÝÐýµçÏß¡£¡£¾ßÓÐÓÐÓõĿ¹ÌìÆøÌØÕ÷£¬ £¬£¬¿É¶Ô¿¹ËùÓÐÀàÐ͵ÄÓͺͻ¯Ñ§ÎïÖÊ£¬ £¬£¬À­ÉìºÍÍäÇúÐÔÄÜÓÅÒì¡£¡£ºÜÊǺõĵ¯ÐÔÁ¦¡£¡£ÆÕ±éÓÃÓÚÐÞ½¨¹¤Òµ¡¢ÔËËÍ×°±¸ºÍÒ±½ðµÈÁìÓò¡£¡£Ö»ÌṩÐþÉ«µÄ¡£¡£

5,ÊÊÓùæÄ££ºÓÃÓڶ½»Á÷µçѹ450£¯750V»òÖ±Á÷µçѹ6V-1000VÒÔÏ£¬ £¬£¬ÐèÒªÍù·µ¡£¡£ÉÏÏÂÒÆ¶¯µÄ×°Åäµç·»ã×ܽÓÏߣ¬ £¬£¬Èçµç»°£¬ £¬£¬ÅÌËã»ú£¬ £¬£¬µç×Ó×°±¸°´²å¼þ¼°Æû³µ¡¢Íϳµ¡¢µ¯»ÉÅþÁ¬Ïß¡£¡£
²úÆ·ÌØÕ÷£º¾ßÓÐÓÅÒìµÄÈáÈÍÐԺ͵¯ÐÔ£¨É쳤³¤¶È¿É´ïÔ­µ¯»É³¤¶È2-3±¶£©¡£¡£ÓÐÓÅÒìµÄÄͺ®ÐÔ£¬ £¬£¬×èȼÐÔ£¬ £¬£¬ÄÍÓÍÐÔºÍÄÍÄ¥ÐÔ¡£¡£¿£¿£¿£¿£¿£¿Éƾ֤³¡ºÏ²î±ðÒªÇóÉú²úÖÖÖÖÂÝÐýÐ͵¯»ÉÏß¡£¡£
6,µ¼Ìå½á¹¹£ºÊ¹Óõ¥¹É»ò½ººÏÂãÈíÍ­Ë¿£¨»ò¶ÆÎýÍ­Ë¿£©
¾øÔµÖÊÁÏ£º¿É²ÅÓþÛÑõÒÒÏ©£¬ £¬£¬¾ÛÒÒÏ©£¬ £¬£¬¾ÛÒÒÏ©»ò½ÐÁª¾ÛÒÒÏ©£¬ £¬£¬ÒÔÖª×ã²î±ð³¡ºÏµÄÒªÇ󡣡£
7,»¤Ì×ÖÊÁÏ£ºÒ»Ñùƽ³£²ÅÓÃ×èȼ¾Û°±Ö¬µ¯ÐÔÁÏPUÁÏ
8,ÊÂÇéζȣºÆ¾Ö¤¿Í»§ÒªÇó£¬ £¬£¬Äͺ®-65¶È £»£»£»ÄÍÎÂ80¶È¡£¡£105¶È¡£¡£125¶È
9,Éú²ú¹æÄ££º±ê×¼½ØÃ棺0.12¡«4ƽ·½Ã×£¨ÌØÊâ¹æ¸ñ¿Éƾ֤¿Í»§ÒªÇóÉú²ú£©¡£¡£
10,µç¾¶Ð¾Êý£º1¡«37о£¨ÌØÊâ¹æ¸ñ¿Éƾ֤¿Í»§ÒªÇóÉú²ú£©¡£¡£
11,µ¯»É³¤¶È:ƾ֤¿Í»§

¶¨ÖƲî±ðÇéÐÎʹÓõĵçÀ£¬ £¬£¬ÇкϿͻ§ÐèÇó£¬ £¬£¬Çëµã»÷Ï·½www.zgsljt.com
±âµçÀÂÒý½ÓÏßF46µçÀ¶¡ÇçµçÀ±¾°²µçÀÂ
±äƵµçÀ°éÈÈ´ø¶¡ëæµçÀÂ±âÆ½µçÀ¸ßѹµçÀÂ
µçÁ¦µçÀÂÌØÖÖµçÀÂÆÁÕϵçÀ µçÀÂÏðÌ×µçÀÂ
¿óÓõçÀÂÂÝÐýµçÀÂÈáÐÔµçÀ´¿Í­½ÊÏß ³µ¿âµçÀÂ
ÄÍÄ¥µçÀµÍεçÀ·ÀË®µçÀÂÄÍ»ðµçÀÂÍ­°üÂÁµçÀÂ
¸ßεçÀ¾íͲµçÀÂÄͺ®µçÀÂÅâ³¥µ¼ÏßÄÍÓÍ·À¸¯µçÀÂ
±âÐ͵çÀ½»ÁªµçÀÂͨѶµçÀ¹èÏ𽺵çÀÂÈáÐÔËÅ·þµçÀÂ
ÍÏÁ´µçÀ»ú³µµçÀ·À»ðµçÀÂÐгµµçÀ¶ÆÒøÏß¶ÆÎýÏß
¹â·üµçÀ¿ØÖƵçÀ´¬ÓõçÀÂÅÌËã»úµçÀ»úеÈ˵çÀÂ
±âÐεçÀÂÍÏÁîµçÀÂÐźŵçÀ·ÀÊó·ÀÒϵçÀÂÌú·»ú³µµçÀÂ
ÒDZíµçÀµçÌݵçÀÂÄ͸ßεçÀµç»úÒý½ÓÏß¾Û°±õ¥µçÀÂ

?

Copyright ? 2023-2024 ÑÇÐÇÓÎÏ· All Rights Reserved.

µØµã£º°²»ÕÊ¡Ì쳤ÊиßÐÂÊÖÒÕ¹¤Òµ¿ª·¢Çø¾­ËÄ·29ºÅ µç»°£º0550-7305800¡¡´«Õ棺0550-7305087

   ±¸°¸ºÅ£ºÍîICP±¸13014508ºÅ-7

ÓÑÇéÁ´½Ó£º ±âµçÀ ÈáÐÔµçÀ ¾íͲµçÀ Åâ³¥µ¼Ïß °²»ÕÌØÖÖµçÀÂ

¹©Ó¦µØÇø£º±±¾©|ÉϺ£|Ìì½ò|ÖØÇì|ºÓ±±|ɽÎ÷|ÄÚÃɹÅ|ÁÉÄþ|¼ªÁÖ|ºÚÁú½­|½­ËÕ|Õã½­|°²»Õ|ºÓÄÏ|¸£½¨|½­Î÷|ɽ¶«|ºþ±±|ºþÄÏ|¹ã¶«|¹ãÎ÷|º£ÄÏ|ËÄ´¨|¹óÖÝ|ÔÆÄÏ|Î÷²Ø|ÉÂÎ÷|¸ÊËà|Çຣ|ÄþÏÄ|н® ÌØÖÖµçÀÂÉú²ú³§¼Ò  
¡¾ÍøÕ¾µØÍ¼¡¿