4ÔÂ6ÈÕ£¬ÄÚÃɹųà·åËÉɽÇøÕÅÔÓ13ºÅ¹È×ÓÁ¸É̳ö»õ²Î¿¼¼Û¸ñ2.1Ôª/½ï£¬Ã׳§ÁãÐDz¹»õ£¬¶þÀà¹È×Ó×ß»õÓÐËùºÃת£¬¼Û¸ñ¼áͦ¡£