释义 |
laitance
laitance (ˈleɪtəns) n (Building) a white film that forms on the surface of drying concretelaitance
laitance[′lat·əns] (materials) Weak material, consisting principally of lime, that is formed on the surface of concrete, especially when excess water is mixed with the cement. laitanceThe accumulation of fine particles on the surface of fresh concrete resulting from an upward movement of water in the concrete; occurs when excessive water is used in the mixing of the concrete. |