67、对于尼龙-66,下列说法正确的是()A.重复单元=结构单元B.结构单元=单体单元C.DP=Xn/2D.Xn=2n
67、对于尼龙-66,下列说法正确的是()
A.重复单元=结构单元
B.结构单元=单体单元
C.DP=Xn/2
D.Xn=2n
参考答案和解析
A
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