ipjagol yuhwang
sulfur particle
particule de soufre ; grain de soufre
입자골 유황은 화학 공정에서 중요한 역할을 합니다.
ipjagol yuhwang-eun hwahak gongjeong-eseo jungyohan yeoghal-eul hamnida.
Sulfur particles play an important role in chemical processes.
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