geumsanghak
metallography
métallographie
금상학은 금속의 구조와 성질을 연구하는 학문입니다.
geumsanghak-eun geumsok-ui gujo-wa seongjil-eul yeongu-haneun hakmun-imnida.
Metallography is the study of the structure and properties of metals.
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