最終更新日：2025/11/28
In the early 20th century, the Frasch process made it possible to extract sulfur from deep underground deposits by injecting superheated water and pumping the molten sulfur to the surface.
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In the early 20th century, the Frasch process made it possible to extract sulfur from deep underground deposits by injecting superheated water and pumping the molten sulfur to the surface.
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