Ch26n4
盐酸中加入六次甲基四胺对钢铁有一定缓蚀作用.右图为其结构简式.其分子式为(CH2)6N4.其中碳原子采用 杂化.其缓蚀作用是因为 ...](https://thumb.zyjl.cn/questionBank/Upload/2018/01/02/09/2770460e/SYS201801020926051490670130_ST/SYS201801020926051490670130_ST.002.png "Ch26n4")
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