gyeolhamyeongu
defectology
étude des défauts ; recherche sur les défauts ; analyse des défauts
결함연구는 제품의 품질을 향상시키는 데 중요한 역할을 합니다.
gyeolhamyeonguneun jaepeumui pumjireul hyangsangsikineun de jungyohan yeoghal-eul hamnida.
Defectology plays an important role in improving product quality.
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