ľ̿·ÛÔÔÅàÆ½¹½Æ·Öʸß
·½·¨ÔÚ100¹«½ïÅàÑøÁÏÖмÓÈëľ̿·Û1¹«½ï¡¢Ì¼Ëá¸Æ1¹«½ï¼°0.01%¨D0.02%µÄ¶à¾úÁ飬Á¦Çó°èÔÈ£¬²¢·â±Õ·¢½Í´¦Àí±¸Óá£ÔÀí1¡¢Ä¾Ì¿·ÛÄܵ÷½ÚÅàÑøÁÏÖÐ̼Ëá±È¡£2¡¢Ä¾Ì¿·Ûº¬ÓзḻµÄ¼Ø¡¢Áס¢¸ÆµÈÓÐЧ³É·Ö£¬¿ÉÃÖ²¹ÅàÑøÁϵÄÓªÑø²»×ã¡£3¡¢Ä¾Ì¿·Û¾ßÓÐÎüÈÈÉýεŦÄÜ£¬ÓÐÀûÓÚ¾ú˿ѸËÙÉú³¤¡£