ŦԼ¹ú¼Ê588888
E-mail
OA


̼»¯·°
VC=62.95£¬º¬Ì¼19.08%£¬ºÚ»ÒÉ«½ðÊô×´·ÛÄ©£¬ÊôÂÈ»¯ÄÆÐÍÁ¢·½¾§ÏµµÄ½á¾§£¬¾§¸ñ³£Êý4.182°££¬ÓÐÁ¼ºÃµÄ»¯Ñ§Îȶ¨ÐԺ͸ßÎÂÐÔÄÜ¡£ÃܶÈΪ5.77g/cm3£¬È۵㣺2800¡æ£¬·Ðµã£º3900¡æ¡£¿ÉÓÃÓÚÇÐÏ÷¹¤¾ß¡¢Á¶¸Ö¹¤Òµ¼°ÎÙ»ùÓ²ÖʺϽðµÄ¾§Á£Ï¸»¯¼Á£¬ÄÜÃ÷ÏÔÌá¸ßºÏ½ðÐÔÄÜ¡£