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- 2015년 7월 8일 (수) 03:09 (차이 | 역사) . . (+3,334) . . 새글 SowderDeane657 (새 문서: Steel is a composite that comprises for the most component of iron and has a carbon content material in between .02 and two.1 by weight, contingent upon the evaluation. Carbon is the...) (최신)
