¸÷¹æ¸ñ¡¤¸÷ÐͺŵçÀÂ
ÈÈÏú¼ÛµÍ ÊÛºó±£ÕÏ
¹ú±êÆ·ÖÊ
ÄÍÀ¿¹×§Îȶ¨ÐÔºÃ
³§¼ÒÖ±Ïú Æ·Öʱ£ÕÏ ×¨Òµ×¨×¢
ÒÑΪÉÏǧ¸öÖØµã¹¤³ÌÌṩµçÀÂ
ÊýÊ®ÖÖϵÁвúÆ·
1000¶à¸ö¹æ¸ñ
¶àо¿ÉÑ¡
Ö§³Ö¶¨ÖÆ
¹æ¸ñÆëÈ«
MCP¿óÓòÉú»úµçÀÂ
²Éú»úµçÀÂ
MHYVP¿óÓÃͨÐŵçÀÂ
¿óÓÃͨÐŵçÀÂ
MYPTJ¸ßѹ¿óÓÃÏðÌ×µçÀÂ
¿óÓÃÏðÌ×µçÀÂ
MYPTJ¿óÓýðÊôÆÁ±ÎÏðÌ×µçÀÂ
ÆÁ±ÎÏðÌ×µçÀÂ
¿óÓÃîø×°ÆÁ±ÎµçÀÂ
îø×°ÆÁ±ÎµçÀÂ
ÆÁ±Î¿ØÖƵçÀÂ
ÆÁ±Î¿ØÖƵçÀÂ
MCPT²Éú»úÆÁ±ÎµçÀÂ
ÆÁ±ÎµçÀÂ
MYPÏðÌ×µçÀÂ
MYPÏðÌ×µçÀÂ
Æ·Öʾö¶¨Î´À´
¸ß´¿¶ÈÍ
°²È«»·±£
¿¹Ñ¹ÐÔÇ¿
ÊÙÃü¸ü³¤
ÄúºÃ£¬Îҷdz£¸ÐÐËȤÁ˽â²Éú»úÏðÌ×ÈíµçÀÂMCP-0.66/1.14KV-3*35 1*6 3*2.5µÄÏà¹ØÐÅÏ¢¡£ÊÇ·ñ¿ÉÒÔÏòÎÒ½éÉÜһϲÉú»úÏðÌ×ÈíµçÀÂMCP-0.66/1.14KV-3*35 1*6 3*2.5Âð£¿Ð»Ð»£¡
²Éú»úÏðÌ×ÈíµçÀÂMCP-0.66/1.14KV-3351632.5mm2¶àÄ£¾«¼Ó¹¤¼¼ÊõΪ½»Áª¾ÛÒÒÏ©,¾ßÓнϺõĻúеÐÔÄܺÍÄÍÄ¥ÐÔÄÜ,¿ÉÒÔÓÃÓÚ¶ÔÍ¡¢ÂÁ¡¢ÍÄÚÆÁ±Î¡¢ÍÉ«½ðÊô´ø¡¢¶ÆÎýÍË¿¡¢¶ÆÒøÍË¿µÈ·Ç½ðÊô¼Ó¹¤ÖÆÔì¡£KV:½»Áª¾ÛÒÒÏ©¾øÔµµçÀÂ(YJVµçÀÂ)¡£M:±íʾ²Éú»ú½ðÊôÌ׹ܡ£Y:±íʾ¾ÛÒÒÏ©»¤Ì×»òÂãÍË¿±àÖ¯ÆÁ±Î¡£HD:±íʾ²Éú»ú½ðÊôÌ׹ܵĽðÊôÌ׹ܡ£6/6KV:±íʾµçÁ¦µçÀµÄîø×°²ã½éÖÊ¡£µçÀÂÖ÷ÒªÓÃÓÚÖ±ÂñµØ¹µ¡¢ÑØÖ§¼Ü·óÉè»òÇżܷóÉè¡£Èý¡¢ µçÀÂÐͺÅ:µçÀÂÃû³Æ:µçÀÂÃû³Æ:µçÀÂÃû³Æ:µçÀÂͨ³£ÊÇÓɼ¸¸ù»ò¼¸×éµ¼Ïß(ÿ×éÖÁÉÙÁ½¸ù)½ÊºÏ¶ø³ÉµÄÀàËÆÉþË÷µÄµçÀÂ,ÿ×éµ¼ÏßÖ®¼äÏ໥¾øÔµ,²¢³£Î§ÈÆ×ÅÒ»¸ùÖÐÐÄŤ³É,Õû¸öÍâÃæ°üÓи߶ȾøÔµµÄ¸²¸Ç²ã¡£

µçÀ¾ßÓÐÄÚͨµç,Íâ¾øÔµµÄÌØÕ÷¡£·ÖÀà:µçÀÂÓеçÁ¦µçÀ¡¢
¿ØÖƵçÀ¡¢²¹³¥µçÀ¡¢ÆÁ±ÎµçÀ¡¢¸ßεçÀ¡¢¼ÆËã»úµçÀ¡¢ÐźŵçÀ¡¢Í¬ÖáµçÀ¡¢ÄÍ»ðµçÀ¡¢´¬ÓõçÀ¡¢¿óÓõçÀ¡¢ÂÁºÏ½ðµçÀµȵȡ£ËüÃǶ¼ÊÇÓɵ¥¹É»ò¶à¹Éµ¼Ïߺ;øÔµ²ã×é³É,ÓÃÀ´Á¬½Óµç·¡¢µçÆ÷µÈ¡£ÐͺÅ:Ö÷ÒªÓÐWDZBN-BYJ¡¢WDZCN-RYJµÈ¡£µçÀÂÌØµã:1¡¢¾øÔµ²ãΪ¾ÛÂÈÒÒÏ©,¼·°ü²ãΪ¾ÛÒÒÏ©,×îÍâ²ãÓÃÎÞ»ú²ÄÁϸ´ºÏ²ÄÁÏÈÆ°ü,×îÍâ²ãÓÃÄÍÓͽþ×Õ¼Á½þ×Õ¼Á½þ×Õ¡£2¡¢ÔÀí:µçÏßµçÀÂÊÇ´«ÊäµçÄÜ¡¢µçÐźźÍʵÏÖµç´ÅÄÜת»»µÄÏ߲IJúÆ·¡£
²Éú»úÏðÌ×ÈíµçÀÂMCP-0.66/1.14KV-3351632.5mm2µÄ±íʾ·½·¨:½ðÊô¼ÓÇ¿¹¹¼þ´ø¡¢½ðÊô¼Óǿо¡¢ÖÐÐÄËÉÌײã½Ê¡¢Í⻤Ìײã½Êʽ¡¢¿ÉÍäÇúµÄ·Ç½ðÊô½á¹¹¡£Èí½á¹¹:ÓÉÒ»¸ù»ò¶à¸ùÏ໥¾øÔµµÄµ¼µçÏßÐÄÖÃÓÚ»¤Ì×Öй¹³ÉµÄ¾øÔµµ¼Ïß¡£ÆäÍâ¿É¼Ó±£»¤¸²¸Ç²ã,ÓÃÓÚ´«Êä¡¢·ÖÅäµçÄÜ»ò´«Ë͵çÐźš£ÈýоµçÀÂÓÃÓÚÈýÏཻÁ÷µçѹ450/750V¼°ÒÔ϶¯Á¦×°Öü°ÕÕÃ÷×°Öù̶¨·óÉè¡£×¢:Ïßо±¾Éí¾ßÓиߵ¼´ÅÂÊ,Óп¹¸ÉÈÅÐÔ,ÄÜÆÁ±Î¸ÉÈÅ,¿ÉÓÃÓÚͨÐż°¼ÆËã»ú¹¤³ÌÖеĿØÖÆÏµÍ³¡£M:ºÍY:·Ö±ð±íʾ¾ÛÒÒÏ©¡¢X:½»Áª¾ÛÒÒÏ©¡¢X:·øÕÕ½»Áª¾ÛÒÒÏ©¡¢Y:Ô¤ÖÆ¡¢Ò»°ãÊ¡ÂÔ,»ò¾ÛÏ©ÌþµÈ¡£34:±íʾ 3о ÿо4ƽ·½,×î´ó½ØÃæ»ý6ƽ·½ºÁÃ× 15:±íʾ 1о ½ØÃæ»ý6ƽ·½ºÁÃ׵ĵ¼Ïß 16:±íʾ1¸ù ½ØÃæ»ý 4ƽ·½ºÁÃ׵ĵ¼Ïß 17:±íʾ 1¸ù ½ØÃæ»ý 6ƽ·½ºÁÃ׵ĵ¼Ïß¡£µçÏßµçÀÂ×èȼ¼¶±ðÓÐWDZAN¡¢WDZBN¡¢WDZCµÈ¡£×èȼµçÀÂABCÀàºÍÎÞ±µÍÑÌ×èȼµçÀÂÇø±ðÊÇ×èȼµçÀÂÓë²»×èȼµçÀµÄÖ÷񻂿±ð,×èȼµçÀ»ù±¾É϶¼ÊǺ¬Â±ËصÄ,¶øÎÞ±µçÀ»ù±¾ÉÏÊǵÍÑÌ×èȼµçÀ¡£µÍÑÌÎÞ±µçÀÂÖ÷ÒªÊÇÔÚ·ÀÀÏ»¯ÉϱÜÃâ»òÎóʳ¡£ÆäʹÓÃÄÜÁ¿ºÍ»·±£ÐÔÄĸöºÃ?Ö÷ÒªÊÇÓÉÓÚµÍÑÌÎÞ±¡¢×èȼÐÔ¡¢·À¸¯Ê´µÈ×é³É¡£¸ù¾Ý·óÉèʹÓò»Í¬µÄ·½Ê½,Óв»Í¬µÄʹÓÃÌØµã,Ö÷ÒªÊÇ¿ÉÒÔÔÚ·¢Éú»ðÔÖʱÆðµ½×èÖ¹»òÑÓ»º»ðÊÆÂûÑÓ¡£
Á½Ð¾35ƽ·½ÍоµçÀÂ400Ã×ÍÖØÁ¿¶àÉÙǧ¿Ë?
ÍоÁ½Ð¾35ƽ·½µçÀÂ400Ã×ÍÖØÁ¿ÊÇ249.2ǧ¿Ë£¬ÍµÄÃܶÈÊÇ8.9£¬Ôò2¡Á35¡Á8.9¡Á400=249.2ǧ¿Ë¡£
3*25 16 16ƽ·½ÍоµçÀµÄÍÖØ¶àÉÙ?
¿ÉÒÔ¼ÆË㣬͵ıÈÖØÊÇ8.9g/cm33x25ƽ·½µÄÒâ˼ÊÇ3¸ù½ØÃæ»ýΪ25mm2µÄÍоµçÀ£¬Æä1Ã׵ĺ¬ÍÌå»ýÊÇ3x100cmx0.25cm2=75cm3£¬ÍµÄÖØÁ¿¾ÍÊÇ8.9x75=667.5¿Ë¡£
200KVA±äѹÆ÷£¬ÓÃ3*120 2*70µçÀ£¬500Ã×µçËðºÄÊǶàÉÙ£¬Ôõô¼ÆË㣬Çó¹«Ê½?
¶î¶¨¸ºÔصçÁ÷288A£¬ÈôΪÍоµçÏßʱ£¬ÈýÏàµçÏß×ÜÏß×èÖµ£ºR=0.0172*500/120*3=0.215Å·£¬ÂúÔØÔËÐÐʱµÄÏßËð×ܹ¦ÂÊ£ºP=288*288*0.215=17833W=17.8KW¡£
ÏðÌ×ÈíµçÀÂÐͺŹæ¸ñÓÐÄÄЩ?
ÏðÌ×ÈíµçÀÂÐͺŹæ¸ñ£ºYH£¬YZ£¬YZW£»YC£¬YCE£¬JHS£¬JHSB£¬UZ£¬ZUP£¬UC£¬UCP£¬UYP£¬UYPJ£¬UPQ£¬UCPQ£¬UG£¬UGF£¬UGSP£¬YHD£¬MY£¬MYP£¬MG£¬MGP£¬MZ£¬MYPTJ£¬MGPT£¬MYPT¡£YC¡¢YCW ÖØÐÍÏðÌ×µçÀ ÓÃÓÚ¸÷ÖÖÒÆ¶¯Ê½µçÆ÷É豸£¬ÄܳÐÊܽϴóµÄ»úеÍâÁ¦×÷Óã»YCW»¹ÊÊÒËÓÚÔÚ»§ÍâʹÓûò½Ó´¥ÓÍÎ۵ij¡ºÏʹÓã»YZ¡¢YZW ÖÐÐÍÏðÌ×µçÀÂÓÃÓÚ¸÷ÖÖÒÆ¶¯µçÆ÷É豸ºÍ¹¤¾ß£¬YZW»¹ÊÊÒËÓÚÔÚ»§ÍâʹÓûò½Ó´¥ÓÍÎ۵ij¡ºÏʹÓã»YZFÖÐÐÍ·ÇÑÓȼÏðÌ×ÈíµçÀÂÓÃÓÚ¸÷ÖÖÒÆ¶¯µçÆ÷É豸ºÍ¹¤¾ß£¬ÊÊÒËÓÚÓзÇÑÓȼÎïÐÔÒªÇóµÄ³¡ºÏʹÓá£
µçÀµçѹµÈ¼¶1.14±íʾ·½·¨?
µçÀµçѹµÈÄã1.14±íʾ·½·¨ÊÇ£º1/14ÕâÑù±íʾ¡£
10kv3*35¸ßѹµçÀÂÃ×¶àÉÙ½ïÍ?
3x35µÄ͵çÀ Èç¹û°´£¨¹ú±ê£©À´Ëã Ò»Ã×´¿ÍµÄÖØÁ¿ÊÇ£º1.1 kg£¬ÕâÊÇÀíÂÛÉϵÄÖØÁ¿¡£µçÀÂÓУº¹ú±ê¡¢Öбꡢ·Ç±ê Ö®·Ö ¶øÇÒÿ¸ö³§ÀïÃæ×öµçÀ ËùÓõÄÍË¿´óСҲ ²»Ò»Ñù ¾Í»áµ¼ÖÂʵ¼ÊµÄÖØÁ¿ÓÐËùÎó²î¡£
¹öͲ²Éú»úÍÏÀÂ×°ÖÃÓÐÄÄЩ×÷ÓÃ?
ÍÏÀÂ×°ÖÃÒ»°ãÓɹ̶¨¼Ü£¬×ª¶¯¼Ü£¬ÍÏÀ¼ܣ¬Á¬½Ó¼Ð£¬Á´Ìõ£¬Ïú£¬µçÀ¼а壬µçÀ¹̶¨×°ÖõÈ×é³É¡£Ê¹ÓõçÀ¼аåµÄÖ÷ҪĿµÄÊǵ±²Éú»úÑØ¹¤×÷ÃæÔËÐÐʱ£¬Ê¹ÍÏÒ·Á¦Ö÷ÒªÓɵçÀ¼аåÀ´³ÐÊÜ£¬ÒÔ±£»¤µçÀºÍË®¹Ü£¬Í¬Ê±»¹ÄÜʹÍÏҷƽÎÈ¡¢×èÁ¦Ð¡¡£×ª¶¯¼Ü¿ÉÈÆ¹Ì¶¨¼ÜÏòÉÏת¶¯£¬µçÀ¹̶¨×°ÖÃΪ¹Ø½ÚÖá³Ðʽ½á¹¹£¬ÕâЩ¶¼±£Ö¤µçÀÂÔÚÍäÕÛ£¬Å¤Çúʱ²»»áËðÉË£¬ÑÓ³¤µçÀµÄʹÓÃÊÙÃü¡£

ÇëÎÊÍоµ¥Ð¾6ƽ·½YJVµçÀ°²È«µçÁ÷±íÊǶàÉÙ?
ÍоYJVµ¥Ð¾6ƽ·½µçÀ°²È«µçÁ÷±í£º
| ƽ·½ | 6 |
| оÊý | µ¥ |
| ÐͺŠ| YJV |
| ÔØÁ÷Á¿ | 96 |
| ²ÄÖÊ | Í |
| ·óÉ跽ʽ | ÔÚµØÏ |
| »¤Ì× | ·Çîø×° |
µçÆøÊ©¹¤Í¼Ö½:WL:YJV-0.66/1KV(5*16)RC40-FC¸÷±íʾʲôÒâ˼?
WL£º±íʾ»ØÂ·±àºÅYJV£º¾ÛÒÒÏ©¾øÔµ¾ÛÂÈÒÒÏ©»¤Ì×µçÀ£¬0.66/1KVÄÍѹµÈ¼¶Îª0.66/1KV£¬5о16mm2ÍоµçÀ£»RC40£¬±íʾµçÀ±£»¤¹ÜΪֱ¾¶Îª40ÈȶÆÐ¿¸Ö¹Ü£»FC±íʾ·óÉ跽ʽΪµØÂñ°µ·óÉè¡£
ÏðÌ×ÈíµçÀÂYZ3*1.5 1*1.0ÊÇʲôÒâ˼?
ÕâÊÇ4оÏðÌ×µçÀ£¬ÆäÖÐ3¸ùµ¼ÏߵĽØÃæÎª1.5ƽ·½ºÁÃ×£¬1¸ùµ¼Ïß½ØÃæÎª1.0ƽ·½ºÁÃס£ÓÃÓÚ380/220VÈýÏàËÄÏßÖÆ¹©µçϵͳÖС£
ÇëÎÊYJVÍоһо6ƽ·½µçÀÂ1¾íº¬Í¶àÉÙ?
YJVһо6ƽ·½ÍоµçÀÂ1¾íÍÖØÁ¿ÊÇ5340¿Ë¡£ÍµÄÃܶÈÊÇ8.9£¬1¾íµÄ³¤¶È¹ú±êΪ100Ã×£¬Ôò1*6*8.9*100=5340¿Ë¡£
5¡Á6µçÀÂÓöà´óµÄÏß¹Ü1¡¢°²×°µçÏßµçÀµÄʱºò£¬½«µçÏßÔÚ´©¹ÜµÄºá½ØÃæ»ý¾Í´ïµ½ÁË30ƽ·½ºÁÃ×£¬ËùÑ¡ÔñµÄ´©Ï߹ܾÍÒª´ïµ½Ö±¾¶16ºÁÃ×£¬¿ÉÒÔÑ¡ÔñPVCµÄ´©Ï߹ܣ¬ÒòΪ16ºÁÃ×µÄPVC´©Ï߹ܣ¬ËüµÄºá½ØÃæ»ýÒѾ´ïµ½ÁË114ƽ·½ºÁÃ×£¬×㹻ʹÓÃÁË¡£2¡¢°²×°µçÀÂʹÓô©Ïß¹ÜÒ²ÓÐÒ»¶¨µÄÒªÇó£¬ºá½ØÃæ»ýÐèµÍÓڹܵÀ´©Ïß¹Üºá½ØÃæ»ýµÄ°Ù·ÖÖ®ËÄÊ®£¬ËùÒÔ´©Ïß¹ÜÑ¡Ôñ×îÆðÂëÒª´ïµ½75ƽ·½ºÁÃ×ÒÔÉÏ£¬¶ø16ºÁÃ׵Ĵ©Ï߹ܾÍÄܹ»ÏàÆ¥Å䣬×ã×ãÓÐÓà¡£
ÇëÎÊ181AµÄ¶î¶¨µçÁ÷ÊÇʲôÐͺŵçÀÂ?
ÍоZR-YJVÈýо35ƽ·½µçÀÂÂñµØ·óÉèµÄ¶î¶¨µçÁ÷ÊÇ181A¡£
ÇëÎÊʲôµçÀµİ²È«µçÁ÷ÊÇ175A?
»·¾³Î¶ÈΪ25¡æ£¬ÍоÁ½Ð¾35ƽ·½µçÀµİ²È«µçÁ÷ÊÇ175A¡£
mg7500/l840kw²Éú»úÔõô¸îµ×?
¿ØÖƲÉú»ú½Ø¸î²¿µÄ¹öͲÔÚÏÂÃæ£¬Òƶ¯²Éú»ú¹öͲת¶¯£¬½«µ×úÇиî×°ÈëÔËÊä»ú¡£
ÇëÎÊ16°²µÄ³ÐÔØµçÁ÷ÊÇʲôÐͺŵçÀÂ?
ÊÇ2x1ƽ·½ÍоZR-RVVµçÀ¡£
ÇëÎÊ3о6ƽ·½ÍоµçÀÂÖ±¾¶ÊǶàÉÙmm?
Íо3о6ƽ·½µçÀµÄÖ±¾¶ÊÇ4.79mm¡£¸ù¾ÝÔ²Ãæ»ý¹«Ê½S=¦Ðr?£¬SΪ18£¬rΪ°ë¾¶£¬Ôòr=¡Ì(18/3.14)£¬¸ù¾ÝÖ±¾¶¹«Ê½d=2r£¬ËùÒÔÖ±¾¶µÈÓÚ4.79mm¡£
ÃÀ±ê14ºÅÏßµÈÓÚ¶àÉÙÆ½·½Ïß?
ƯÁÁ¹úµÄºÅÏßΪAWG£¬AWGÃÀ¹úÏ߹棬ÊÇÒ»ÖÖÇø·Öµ¼ÏßÖ±¾¶µÄ±ê×¼£¬ÓÖ±»³ÆÎª Brown & SharpeÏ߹档ÕâÖÖ±ê×¼»¯Ïß¹æÏµÍ³ÓÚ1857ÄêÆðÔÚÃÀ¹ú¿ªÊ¼Ê¹Óá£AWG12=2.0ƽ·½AWG12=2.6ƽ·½AWG14=3.5ƽ·½Æ¯ÁÁ¹úµÄÏߺÅAWGÊǰ´ÏßµÄÖ±¾¶À´±àдµÄ£¬ºÍISOµÄ°´Ïß½ØÃæÃæ»ý±àдÓÐËù²»Í¬¡£¹«Ê½=3.14*(µ¥¸ùÖ±¾¶/2)*(µ¥¸ùÖ±¾¶/2)*×ܸùÊý¡£ÒÀ´ÎÀàÍÆ¿ÉÒÔÍÆ³ö16 18µÈ¡£
MCPÊÇʲôµçÀÂMCPÓÐÄÄЩ¹æ¸ñÐͺÅ?
°´Äã˵µÄÕâ¸öÓ¦¸ÃÊÇ¿ØÖÆÏßо×éµÄ¹æ¸ñ£¬±íʾ¸Ã¸ùMCPÐͺŵçÀÂÓÐ4¸ù6mm2µÄ¿ØÖÆÏßо¡£Ò»°ãMCPÐ͵ĵçÀÂÍêÕûµÄ±íʾ·½·¨ÊÇ£ºMCP µçѹµÈ¼¶ + £¨3*A+1*B+N*C£©£¬ÆäÖÐA±íʾµçÀ¶¯Á¦Ïßо±ê³Æ½ØÃæ»ý£¬B±íʾµØÏßо±ê³Æ½ØÃæ»ý£¬N±íʾ¿ØÖÆÏßо¸ùÊý£¬Ò»°ãN¡Ý3£»C±íʾ¿ØÖÆÏßо±ê³Æ½ØÃæ»ý£¬Ò»°ã2.5mm2-10mm2£¬Ö®¼ä¡£
166aµçÁ÷ÐèÒªÓÃ70mm2µçÀ¡£220·üµÄµçѹÏÂ1000ÍßµçÁ÷Ô¼µÈÓÚ3.966°²¡£380·üµÄµçѹÏÂ1000ÍßµçÁ÷Ô¼µÈÓÚ1.998°²¡£µçÁ÷ÃܶȵÄÈ·¶¨£¬ÊǸù¾Ý1ƽ·½ºÁÃ×µ¼Ïߣ¬³¤Ê±¼äÎȶ¨¹¤×÷µÄ°²È«µçÁ÷¡£Õâ¸öÊÇÈ·¶¨µ¼Ïß½ØÃæ»ýµÄ¹Ø¼ü£¬Ò»°ã¶¼±È½Ï±£ÊØ£¬±£Ö¤Îȶ¨¹¤×÷£¬µçѹËðºÄ±È¶È½ÏС£¬·¢ÈÈÄܹ»È«²¿É¢³ö£¬µ¼ÏßÎȶ¨²»ÄܱȽϸߡ£
µçÆø¶þ´Î»ØÂ·¿ØÖƵçÀµıàºÅÔÔò£¬Ïêϸµãлл?
µã¶Ôµã£¬Ò»°ã¶¼ÊÇ1.3.5.7.9Êǻơ¢ÂÌ¡¢ºì¡¢À¶¡¢ºÚ¡£
3¡Á1ƽ·½ÍоµçÀÂ300Ã׺¬Í¶àÉÙg?
Íо3¡Á1ƽ·½µçÀÂ300Ã׺¬ÍÁ¿Îª8010g£¬ÍµÄÃܶÈΪ8.9£¬Ôò3¡Á1¡Á8.9¡Á300=8010g¡£