题目：
变换催化剂床层的温度通常使用（）量来进行调节的。
A.蒸汽
B.激冷水
C.原料气
D.变换气
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C
变换催化剂床层的温度通常使用（）量来进行调节的。 A.蒸汽 B.激冷水 C.原料气
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