Êý¾ÝÀ´Ô´£º¸ÖÁªÊý¾Ý

½­ËÕÚüÖÝ´¢´æÉÌ6.5cm¾»ËâÈë¿â³É±¾ÔÚ3.13Ôª/½ï¡£´óËâÊÕ¹º¾ù¼ÛÔÚ2.68Ôª/½ï£¬Àä¿â³É±¾ÔÚ0.40Ôª/½ï£¬´ú°ì·Ñ0.02Ôª/½ï£¬ËðºÄ³É±¾ÔÚ0.15Ôª/½ï¡£µ±Ç°½­ËÕÚüÖÝ6.5cm¾»ËâÖܾù¼ÛÔÚ2.78Ôª/½ï£¬ÕÇ·ùΪ0.26%£¬´¢´æÉÌ¿÷Ëð¿Õ¼äÔÚ0.21Ôª/½ï¡£