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火山灰
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火山灰
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volcanic ash
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
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double category
double censoring
double certificate system
double-chain complex
double-chain condition
double channel sampler
double character group
double-circled domain
double circular weft knitting machine
double circulation
double-clad fiber
double cluster
double code
double-colour guidance
double column qualitative method
double-column qualitative method
double commutant
double commutant theorem
double commutation theorem
double commutator
double complex
double composition
double-Compton process
double concave glass
double concave lens
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