B£¦K-Éù¼¶¼Æ
ÊÚȨ¾ÏúÉÌ
B&K
Br¨¹el & Kjaer½¨ÉèÓÚ1943Ä꣬£¬£¬£¬£¬ £¬£¬£¬ÖÂÁ¦ÓÚÉùÒôºÍÕñ¶¯ÕÉÁ¿£¬£¬£¬£¬£¬ £¬£¬£¬B£¦K²úÆ·°üÀ¨ÒÇÆ÷£¬£¬£¬£¬£¬ £¬£¬£¬´«¸ÐÆ÷ºÍÈí¼þ¡£¡£¡£¡£¡£
¹ÉƱ´úÂ룺002819
