標題: ASTM D 1122-1997 用液體比重計測量發(fā)動機冷卻劑及其濃縮物比... [打印本頁] 作者: 兌水 時間: 2009-9-27 10:43 標題: ASTM D 1122-1997 用液體比重計測量發(fā)動機冷卻劑及其濃縮物比... D1122-97a(2002) Standard Test Method for Density or Relative Density of Engine Coolant Concentrates and Engine Coolants By The Hydrometer