N a type of porous volcanic ash used in making hydraulic cements 白榴火山灰(用作水硬水泥的原料)
Any of various artificially produced substances resembling pozzuolana ash.
类似的人造白榴火山灰任何人工制造的，相似于白榴火山灰的物质。
This paper probes into filling and pozzuolana effects of fine silicon powder, analyzes its influence on concrete properties and application in concrete engineering.
对微硅粉的填充效应和火山灰效应做了探讨，分析了微硅粉对混凝土性能的影响和在混凝土工程中的应用。
This paper probes into filling and pozzuolana effects of fine silicon pow - der, analyzes its influence on concrete properties and application in concrete engineer...
对微硅粉的填充效应和火山灰效应做了探讨，分析了微硅粉对混凝土性能的影响和在混凝土工程中的应用。
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