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火山灰
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火山灰
Encyclopedia
工学
水泥
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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。
Physics
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火山灰
可用作水泥原料
Astronomy
volcanic ash
火山灰
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neighborhood of a set
neighborhood of zero
neighborhood on the left
neighborhood on the right
Neighborhood Police Centre
neighborhood relationship
neighborhood retract
neighborhood scale
neighborhood shopping center
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neighboring form
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neighboring group assistance
neighboring group effect
neighboring group participation
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neighboring prime numbers
neighboring vertex
neighbor set
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