silica fume的用法和樣例：
例句
- The analysis indicates that micropacking silica fume works to the density and relative density of RPC, and its pozzolanic effect helps the strength of RPC.
硅灰的微填充效應有利於提高活性粉末混凝土的密度和相對密度，而火山灰效應有利於提高其強度。 - Airflow membrane-forming treatment with aluminium chloride as membraneforming agent was carried out after pretreatment of silica grey powder.
論述先對硅灰石粉進行預處理，然後用三氧化鋁等包膜劑對其進行氣流包膜處理。
