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["[Gewerbe-Technik-Gebiet - Rohrlettern-Valvetechnik-Tagag-Tag4-Tag4]\nGeweißteel 2 ist mit einem Kohlenstoffgehalt von 0.%, ein Stahlahlstahl.\",true注:Heutiger Fragen, heutig gültig (in 3 Ffehren löschen), großer Umfangige Rückmeldungen historische Beiträge als Spam betrachtet,,true" true" true" false

2019-04-04View Original

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【工艺工程大区-管道阀门技术交流版-每日一题-第04-04题】20号钢的20是指含碳量为0.2%,属于低碳钢。判断 对 备注:当日题目,当日有效(正3错1,灌水删除),大面积回复历史贴,视为刷帖,不得分或者酌情给分。
Reply #22019-04-04
20号钢的20是指含碳量为0.2%,属于低碳钢。判断正确
Reply #32019-04-04
20号钢的20是指含碳量为0.2%,属于低碳钢 正确
Reply #42019-04-04
20号钢的20是指含碳量为0.2%,属于低碳钢。 错误

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