试题与答案

DCP用作橡胶的()。A.促进剂; B.防老剂; C.硫化剂; D.活化剂。

题型:单项选择题

题目:

DCP用作橡胶的()。

A.促进剂;

B.防老剂;

C.硫化剂;

D.活化剂。

答案:

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