Slow, careful curing of the concrete improves the hydration of the cement.
混凝土的缓慢而精心的养护可以改善水泥的水化作用。
2
At present, steel, cement, although not the original, as in short supply, but the overall demand is still there but the time may need to slow a relief.
目前的钢材、水泥虽然不像原来那样供不应求，但整体需求依然存在，只是时间上可能需要缓一缓。
3
Furthermore the cement that humans pour over the land makes it impossible for the molecules to do anything but slow down.