我只是对这个”氮化物”有疑问怎么就成砖头了？一定要别人附和你才行？

来源: cwalker199 于 2016-12-05 13:25:52 [旧帖] [给我悄悄话] 本文已被阅读：次

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我只是对这个”氮化物”有疑问 怎么就成砖头了？一定要别人附和你才行？