1. This mixture of pozzolana and lime was then added to an aggregate.
人们把火山灰与石灰的混合物加到集料中。
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2. Microsilica is a sort of tiny pozzolana with high-active silicon dioxide.
硅灰是一种极细的火山灰质的高活性二氧化硅。
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3. Microsilica is a sort of tiny pozzolana with high-active silicon dioxide.
硅灰是一种极细的火山灰质的高活性二氧化硅。
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用作名词 (n.)
This mixture of pozzolana and lime was then added to an aggregate. 人们把火山灰与石灰的混合物加到集料中。
Since no other volcano lava or pozzolana are found nearby, so we may exclude the possibility that ringed mountains are volcano craters. 而由于相关地带没有发现火山熔岩或火山灰分布，可以排除环形山是火山口的可能。
