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매일 한 문제, 정답자에게는 6개의 부를 보상으로 주며, 참가자에게는 2개의 부를 보상으로 줍니다;8월 07일

2016-08-07View Original

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판단문: 각종 기계장비(금형기 포함)의 연속적인 운동(회전 및 왕복) 시 두 결합 부품 사이의 밀봉은 동적 밀봉에 속한다.( ) 답안:√
Reply #22016-08-08
정답、、、、、、、、、、、、
Reply #32016-08-08
맞아요√~~~~~~

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