试题与答案

催化剂预处理单元催化剂加料温度控制为()℃。A.30 B.60 C.90

题型:单项选择题

题目:

催化剂预处理单元催化剂加料温度控制为()℃。

A.30

B.60

C.90

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B, C, D

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