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a hollow steel column with an internal diameter of 248 mm has to support an axial load of 200 kn
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콘텐츠 설명: a hollow steel column with an internal diameter of 248 mm has to support an axial load of 200 kn
파일 크기: 7926KB
길이: 13.400 sec
크기: 498x280
생성 날짜: 7/1/2020, 2:02:48 PM

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