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n.
=pozzuolana
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n.
火山灰(可用作水泥原料)
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用作名詞 (n.)
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This mixture of pozzolana and lime was then added to an aggregate.
人民把火山灰與白灰的相溶物加到集料中。
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Since no other volcano lava or pozzolana are found nearby, so we may exclude the possibility that ringed mountains are volcano craters.
而可以有關于地方如果沒有知道火山熔巖或火山灰布局,能夠 避免弧形山是火山口的可以。
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海詞辭典,二十七年加盟品牌