gyeongjil geumsogeul iphida
hardface
revêtement en métal dur ; revêtement métallique
이 기계 부품은 경질 금속을 입혀서 내구성을 높였습니다.
i gigye bubun-eun gyeongjil geumsogeul ipyeoseo naeguseong-eul nopyeossseubnida.
This machine part was hardfaced to increase its durability.
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