ÍíÉÏ˯¾õºÜ³³,ÓÐÄÄЩ·ÀÔëÒô¶úÈûÍÆ¼ö?

Êܵ½±£»¤ºóµÄÔëÒô±©Â¶Öµ£º70-11.5=58.5db£¬Õâ±íʾÔÚÕýÈ·µØ´÷ÉϸöúÈûºó£¬Åä´÷ÕßµÄÔëÒô±©Â¶Ë®Æ½¹À¼Æ´óÂԿɽµÖÁ58.5dB¡£Òò´Ë£¬ÖÁÉÙҪѡNRR30ÒÔÉϵĶúÈû£¡£¡£¡NRR30ÒÔÉÏ£¡NRR30ÒÔÉÏ£¡NRR30ÒÔÉÏ£¡ÔÚNRR30ÒÔϵÄÕæµÄ²»ÐУ¡ÏàÐÅÎÒ£¡Á¬½²»°Éù¶¼¸ô²»ÁË£¬ÎÒÒª¶úÈûÀ´¸ÉÂ£¡£¿£¡£¿NRR30ÒÔÉϵĻù±¾ÉÏÊÒÓѵĽ²»°Éù


ΪÁ˶Կ¹ÔëÒô,ÈËÀà¶¼·¢Ã÷ÁËÄÄЩ¡¸½µÔëÉñÆ÷¡¹?

½µÔëħ·¨£ºÓþ¡Ò»Çа취ÎüÊÕÔëÒô DZͧÔëÉùÖ÷ÒªÊÇÂÝÐý½°ÔëÉù£¬ÔçÆÚÎÒ¹úÂäºóµÄ¼¼Êõ£¬ºËDZͧÔëÒôÔø¿°±È¡°ÍÏÀ­»ú¡±£¬¼«Ò×±»ÆäËû¹ú¼ÒµÄÉùÄÅϵͳ·¢ÏÖ¡£ÎÒ...


Â¥ÉϾ­³£ÔëÒôÈçºÎÓÃÓïÑÔ×èÖ¹ ¸ÃÔõô¶Ô¸¶Â¥ÉϵÄÔëÒô - °Ù¶ÈÖª...

1. ²ÉÓÃÀñòµÄÓïÑÔ½øÐйµÍ¨£ºÊ×ÏÈ£¬Äú¿ÉÒÔ³¢ÊÔͨ¹ýÇÃÃÅ»òʹÓÃÂ¥ÉϵÄÃÅÁ壬ÒÔÀñòµÄ·½Ê½ÓëÂ¥ÉϾÓÃñ½»Á÷£¬±í´ïÄúµÄÀ§ÈÅ£¬²¢ÇëÇóËûÃÇÔÚÈÕ³£»î¶¯Öо¡Á¿¼õÉÙÔëÒôµÄ²úÉú¡£ÀýÈ磬...


Òª±»ÔëÒô·³ËÀÁË,ÓÐʲôºÃµÄ·ÀÔëÒô¼¼ÇÉ

´°»§µÄ¸ôÒôЧ¹û·Ç³£ÖØÒª£¬Èç¹ûÏëÒª·ÀÖ¹ÔëÒôÓ°Ï죬¾ÍÒª×ö´°»§ÉÏϹ¦·ò£¬Ê×ÏÈ£¬´°»§Ò»¶¨ÒªÃÜ·âÒ»ÆðÀ´£¬×îºÃѡ˫²ãµÄЧ¹û»á¸üºÃ£¬Ä¿Ç°À´ËµËִܸ°µÄÃÜ·âЧ¹ûÏà¶Ô½ÏºÃ£¬µ«Èç¹ûÊÇ...


˯¾õ·ÀÔëÒô×îºÃµÄ·½·¨ - °Ù¶È¾­Ñé

2 2¡¢Ê¹ÓøôÒô´°Á±¡¡¸ôÒô´°Á±µÄ¸ôÒôЧ¹û±È¸ôÒô½ºÌõ¸üºÃ£¬ÄÜÓÐЧ·ÀÖ¹Íâ½ç´«½øÀ´µÄÔëÒô£¬Ñ¡¹ºÊ±Òª×¢Òâ×îºÃÄÜÍêÈ«ÕÚס´°»§£¬ÒÔÂ䵨´°ÎªÀý£¬ÔòÔ½½Ó½üµØ°åÔ½ºÃ£¬·ÀÖ¹·ì϶µÄ²úÉúÄܸüÓÐЧ...


ÈçºÎ¶Ô¸¶Â¥ÉÏÔëÒô - °Ù¶È¾­Ñé

1 1.²¥·ÅÆ÷²¥·ÅÇáÒôÀÖÕë¶ÔÓÚÂ¥ÉϵÄÔëÒô£¬´ó¼Ò¶¼»á±È½ÏÍ·ÌÛ£¬Ê×Ïȵϰ£¬ÎÒÃÇ¿ÉÒÔ³¢ÊÔÔÚ¼ÒÀïÓò¥·ÅÆ÷·ÅÒ»Ð©Êæ»ºÐÄÇéµÄÇáÒôÀÖ£¬ÄÇÑù¿ÉÒÔÓÐЧµÄÈÃ×Ô¼ºµÄµÄ...


ÔõÑù·ÀÖ¹ÔëÒôÈÅÃñ

·ÀÖ¹ÔëÒôÈÅÃñ£¬¿ÉÒÔ²ÉÈ¡ÒÔϼ¸ÖÖ·½·¨£ºÃܱÕÉùÔ´£ºÔÚÉùÔ´´¦½¨Ôì¸ôÉùǽ£¬ÓÐЧ·ÀÖ¹ÔëÉùÖ±½ÓÏòÍâ´«²¥¡£ÕâÖÖ·½·¨ÊÊÓÃÓÚ¹¤³§¡¢³µ¼äµÈÔëÒô²úÉúÔ´Í·Ã÷È·µÄ³¡Ëù¡£¼ÓÇ¿ÂÌ»¯£ºÔÚ¹«Â·Á½ÅÔ¡¢...


ÊÒÄÚÈçºÎ·ÀÔëÒô?

ÊÒÄÚ·ÀÔëÒôµÄ·½·¨Ö÷Òª°üÀ¨ÒÔϼ¸ÖÖ£ºÀûÓøôÒô²ÄÁÏ£º¶ÔÓÚ´ó»§ÐÍ£¬¿ÉÒÔ¿¼ÂǼÓ×°Ò»²ãʯ¸à°åÀ´Ôöǿǽ±ÚµÄ¸ôÒôЧ¹û¡£Ð¡»§ÐÍÔò¿ÉÒÔÑ¡ÔñÓÃÈíľ¸²¸Çǽ±Ú£¬»òÕßÏÈÓÃʵľ²»µÈ¾à³Ê¼¸ºÎ...


ÔëÒôÎÞ´¦²»ÔÚ,¼Ò¾ÓÒþÐÎɱÊÖ,ÈçºÎ·ÀÔëÒô?

Ò»¡¢·ÀÔëÒô´ÓÑ¡·¿¿ªÊ¼£º1.µçÌÝ·¿¾¡Á¿²»ÒªÑ¡Ôñ¶¥Â¥»òÕßÒ»²ã£¬¶¥Â¥ÓеçÌÝ»ú·¿£¬µçÌÝ¿ªÆôʱµÄ¾íÑï»ú¹²Õñ»áͨ¹ýÂ¥°å´«Éù¹ýÀ´£¬Ò»Â¥µÄµçÌÝÓиö¾®¿Ó...


¶Ô¾ÓÃñÉú»îÇøÖÐµÄµÍÆµÔëÒôÌØ±ðÃô¸Ð,¸üרҵµÄ½â¾ö°ì·¨...

ÁãÌý¸ôÒô¶úÕÖ˯Ãßרҵ·ÀÔëÒôѧϰ˯¾õרÓù¤Òµ¼¶³¬Ç¿½µ Ììè 68.00 È¥¹ºÂò ´ú¶ûËþ¸ôÒô¶úÕÖ Õâ¿î¸ôÒô¶úÕֵĸôÒôЧ¹ûÒ²·Ç³£µÄ°ô£¬¶úÕÖ²ÉÓÃ...


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷