But that does not mean it produced fine ash continuously all the time.

但这并不意味着非常黏的岩浆总会不断地制造精致的灰。

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But that does not mean the volcano produced fine ash continuously.

但这并不意味着总能喷发出微粒火山灰。

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The chain link is suitable for conveying dry powder and fine ash shape materials.

使用此种链节适于输送干粉、细灰状物质。

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Fine ash can travel farther than the heavier stuff, but still does a lot of harm to engines if encountered in significant quantities.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

Two factors have contributed to the high volume of fine ash.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

But that does not mean the volcano produced fine ash continuously.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The