So the particles of ash were very fine-grained and very sharp compared to normal ash.
所以此时的火山灰颗粒较普通的火山灰来说非常细小而且锋利。
The fine, glassy particles that make up volcanic ash scour airplane Windows and can clog and stall jet engines.
这些由火山灰构成的细微玻璃状小颗粒会刮伤飞机窗户，阻塞引擎甚至导致引擎熄火。
The ash is highly hazardous to people, as the fine particles are easily inhaled.
由于微粒极易吸入，煤灰对人体危害很大。
The result shows that the burned fly-ash has fine capability of the anti-acid and is practicable to be used in the particles strengthening anti-acid material.
实验结果表明：经过处理的粉煤灰作为粒子增强耐酸胶凝材料中的耐酸材料具有良好的耐酸性能，用于粒子增强耐酸胶凝材料是完全可行的。
The result shows that the burned fly-ash has fine capability of the anti-acid and is practicable to be used in the particles strengthening anti-acid material.
实验结果表明：经过处理的粉煤灰作为粒子增强耐酸胶凝材料中的耐酸材料具有良好的耐酸性能，用于粒子增强耐酸胶凝材料是完全可行的。
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