標(biāo)題: ASTM C 944-1999 用旋轉(zhuǎn)切割機(jī)法對(duì)混凝土和砂漿表面耐磨性... [打印本頁] 作者: 兌水 時(shí)間: 2009-9-19 22:53 標(biāo)題: ASTM C 944-1999 用旋轉(zhuǎn)切割機(jī)法對(duì)混凝土和砂漿表面耐磨性... C944-99 Standard Test Method for Abrasion Resistance of Concrete or Mortar Surfaces by the Rotating-Cutter Method