標題: ASTM C 1419-1999 耐火材料在室溫條件下聲速矢量試驗方法及其... [打印本頁] 作者: 兌水 時間: 2009-9-23 12:13 標題: ASTM C 1419-1999 耐火材料在室溫條件下聲速矢量試驗方法及其... C1419-99a Standard Test Method for Sonic Velocity in Refractory Materials at Room Temperature and Its Use in Obtaining an Approximate Young's Modulus