9. _ what_ the 3D-printer pipes out is a concrete mix that hardens when it dries. 相关知识点: 试题来源: 解析 答案见上9. What is, the 3D-printer pipes out 语,设空处引导主语从句,从句中缺少pipes out 的宾语,表示 “… …的东西” ,应用 what 引导该从句。
15.What the 3D-printer pipes out is a concrete mix that hardens when it dries. 相关知识点: 试题来源: 解析 答案见上15. 句意:3D打印机输出的是干燥时会变硬的混凝 混合物。分析句子结构可知… the printer pipes out 是主语从句,从句中缺少 pipes out 的宾语,表示"什么",应 what 引导该从句。
Well, concrete mix made from lean concrete is low in cement and high in aggregates. It is used for several purposes, such as blinding concrete underfoundationsand leveling pads below footings. We call lean concrete “not rich.” That’s because it is not rich incement. Cement is a costlie...
Discover the benefits and applications of silica fume in concrete. Enhance strength and durability with this essential construction material.
How to digitalize and automate a precast plant? Every precast manufacturer ponders how to improve productivity and quality and increase the efficiency of their production. Better machines, strict concrete mix and process control, well-trained personnel, and other improvement measures are all good. But...
The cement in a concrete mix doesn’t have anything that naturally makes it stick together. So, when new concrete is poured over an existing layer, the two layers don’t tend to stick together. Once the first layer of concrete has hardened, the new layer will sit on top as a separate...
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A concrete strategy. Businesses need to identify one or two key objectives to base all of their efforts on. They need to target a specific group of people and have clear goals. Content marketing fails when there is no set strategy or when the strategy is too loose. The purpose...
This idea isn’t as far-fetched as it may seem. It boils down to an understanding of how concrete forms, and how to exploit that process to our benefit. Concrete is a combination of coarse stone and sand particles, called aggregates, that mix with cement, a powdered blend of clay and...
Concrete is a building material composed of cement, aggregate, and water, known for its strength and durability, while cement, typically Portland cement, is a powdery substance used as a binder in concrete.