þºÏ½ðÊÇÒÔþΪ»ù´¡¼ÓÈëÆäËûÔªËØ×é³ÉµÄºÏ½ð¡£¡£¡£¡£¡£ÆäÌØµãÊÇ£ºÃܶÈС£¡£¡£¡£¡£¨1.8g/cm3þºÏ½ð×óÓÒ£©£¬£¬Ç¿¶È¸ß£¬£¬µ¯ÐÔÄ£Á¿´ó£¬£¬É¢ÈȺ㬣¬ÏûÕðÐԺ㬣¬ÔâÊܹ¥»÷ÔØºÉÄÜÁ¦±ÈÂÁºÏ½ð´ó£¬£¬ÄÍÓлúÎïºÍ¼îµÄÇÖÊ´ÐÔÄܺᣡ£¡£¡£¡£Ö÷ÒªºÏ½ðÔªËØÓÐÂÁ¡¢Ð¿¡¢ÃÌ¡¢îæ¡¢îÊÒÔ¼°ÉÙÁ¿ï¯»òïӵȡ£¡£¡£¡£¡£ÏÖÔÚʹÓÃ×î¹ãµÄÊÇþÂÁºÏ½ð£¬£¬Æä´ÎÊÇþÃ̺ϽðºÍþпﯺϽ𡣡£¡£¡£¡£Ö÷ÒªÓÃÓÚº½¿Õ¡¢º½Ìì¡¢ÔËÊä¡¢»¯¹¤¡¢»ð¼ýµÈ¹¤Òµ²¿·Ö¡£¡£¡£¡£¡£ÔÚÊÊÓýðÊôÖÐÊÇ×îÇáµÄ½ðÊô£¬£¬Ã¾µÄ±ÈÖØÔ¼ÄªÊÇÂÁµÄ2/3£¬£¬ÊÇÌúµÄ1/4¡£¡£¡£¡£¡£ËüÊÇÊÊÓýðÊôÖеÄ×îÇáµÄ½ðÊô£¬£¬¸ßÇ¿¶È¡¢¸ß¸ÕÐÔ¡£¡£¡£¡£¡£
ÖØÁ¿ÆÊÎö·¨£¬£¬µÎ¶¨ÆÊÎö·¨£¬£¬×ÏÍâ¿É¼û·Ö¹â¹â¶È·¨£¬£¬µç»¯Ñ§ÆÊÎö£¬£¬Ô×Ó·¢Éä¹âÆ×ÆÊÎö£¬£¬Ô×ÓÎüÊÕ¹âÆ×ÆÊÎö£¬£¬Ô×ÓÓ«¹â¹âÆ×ÆÊÎö£¬£¬XÉäÏßÓ«¹â¹âÆ×ÆÊÎö£¬£¬ÖÊÆ×ÆÊÎö£¬£¬Àë×ÓÉ«Æ×ÆÊÎö£¬£¬½ðÊôÖÐÆøÌåÆÊÎöµÈ¡£¡£¡£¡£¡£
GB/T 38786-2020 þ¼°Ã¾ºÏ½ðÖý¶§´¿¾»¶ÈÄ¥Á·ÒªÁì
GB/T 13748.15-2013 þ¼°Ã¾ºÏ½ð»¯Ñ§ÆÊÎöÒªÁìпº¬Á¿µÄ²â¶¨
GB/T 13748.10-2013?þ¼°Ã¾ºÏ½ð»¯Ñ§ÆÊÎöÒªÁì µÚ10²¿·Ö:¹èº¬Á¿µÄ²â¶¨?îâÀ¶·Ö¹â¹â¶È·¨
GB/T 13748.8-2013 þ¼°Ã¾ºÏ½ð»¯Ñ§ÆÊÎöÒªÁì µÚ8²¿·Ö:Ï¡ÍÁº¬Á¿µÄ²â¶¨?ÖØÁ¿·¨
GB/T 13748.12-2013 þ¼°Ã¾ºÏ½ð»¯Ñ§ÆÊÎöÒªÁì µÚ12²¿·Ö:ͺ¬Á¿µÄ²â¶¨
GB/T 13748.14-2013 þ¼°Ã¾ºÏ½ð»¯Ñ§ÆÊÎöÒªÁì µÚ14²¿·Ö:Äøº¬Á¿µÄ²â¶¨?¶¡¶þͪ뿷ֹâ¹â¶È·¨