微硅粉的粒径是多少?
The particles of silica fume are extremely small. 一般, the particles are about 0.1 千分尺 (100 纳米) in diameter. To put this into perspective,
河南优之源
2023-05-12
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The particles of silica fume are extremely small. 一般, the particles are about 0.1 千分尺 (100 纳米) in diameter. To put this into perspective,