2271下列不是典型的金属离子钝化剂品种的是_______。5251

A.AT-水杨叉-N’-水杨酰肼

B.N-N'-二乙酰基己二酰胼

C.1,2-双(2-羟基苯甲酰)肼

D.DLTP

答案解析

上一篇: 5657The following statements about the research are all correct EXCEPT________.3892

下一篇: 4383_______was the top area that 37% organizations are planning to outsource or recruit for.4579