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火山灰
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火山灰
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火山灰
磨成细粉与水拌合后自身并不能够硬化,但与石灰混合并加水拌和成胶泥状态后,既能在空气中硬化又能在水中继续硬化的天然或人工原材料。又称火山灰质混合材。
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火山灰
可用作水泥原料
Astronomy
volcanic ash
火山灰
随便看
strong negation
strong norm
strong normalizability theorem
strong nuclear interaction
strong operator topology
strong-operator topology
strong oriented graph
strong partial order
strong perfect graph theorem
strong permanent magnets
strong pinning
strong preference relation
strong product
strong property
strong pseudoconvex
strong pseudoprime
strong pseudoprime test
strong recursive presentation
strong red
strong reflection
strong reflection principle
strong regular graph
strong relation
strong relative minimum
strong resolvent convergence
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