¥¢¥Ë¥á Ķ¿Í¥í¥Ã¥¯¡£B2¥µ¥¤¥º¡£»Í¤ÄÀÞ¤ê¤Ë¤Ê¤ê¤Þ¤¹¡£¸Å¤¤¤Î¤ÇÀÞ¤êÌܤ˽ý¤ßÅù¤¢¤ê¤Þ¤¹¡£ÀÞ¤êÌܤ¬ÏĤó¤Ç¤ª¤ê¤Þ¤¹¤Î¤Ç¤´Î»¾µ¤¯¤À¤µ¤¤¡£±ï¤Îü¡¹¤¬½ý¤ó¤Ç¤ª¤ê¤Þ¤¹¤Î¤Ç¡¢¤´Î»¾µ¤¯¤À¤µ¤¤¡£