Cement steel and timber are the most important construction materials used in civil engineering.
水泥、钢材和木材是土建工程中最重要的建筑材料。
The engineering application of the cement was presented and its production cost was analyzed.
介绍了该水泥的工程应用情况，并分析了其生产成本。
Cement steel and timber are the most important construction materials used in civil engineering.
水泥、材和木材是土建工程中最重要的建筑材料。
The reliability study of cement cooler grate was important in the theory and engineering.
水泥熟料篦冷机的篦板可靠性在实际工程中具有重要的理论意义和工程价值。
The reliability study of cement cooler grate was important in the theory and engineering.
水泥熟料篦冷机的篦板可靠性在实际工程中具有重要的理论意义和工程价值。
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