標題: ASTM E 389-2003 用4號篩(4.75mm)及較粗篩進行金屬軸承... [打印本頁] 作者: 兌水 時間: 2009-10-30 08:08 標題: ASTM E 389-2003 用4號篩(4.75mm)及較粗篩進行金屬軸承... E389-03 Standard Test Method for Particle Size or Screen Analysis at No. 4 (4.75-mm) Sieve and Coarser for Metal-Bearing Ores and Related Materials