Everything about concrete
把…堆積(或堆疊)起來 We piled a lot of logs up beside the fire. 我們在爐火旁堆了很多木柴。” Regardless of which products you decide on, Owens recommends making use of as minor h2o as possible. “The reduce the water-to-cement mixing ratio, the more powerful the concrete and the higher the shrinkage resistance.”Nonethe