Not known Facts About concrete
把…堆積(或堆疊)起來 We piled a good amount of logs up next to the hearth. 我們在爐火旁堆了很多木柴。” Despite which item you end up picking, Owens recommends employing as tiny h2o as you possibly can. “The decreased the water-to-cement mixing ratio, the more powerful the concrete and the higher the shrinkage resistanc