问题
单项选择题
乙烯装置工厂风的温度通常是()。
A.0℃
B.10℃
C.60℃
D.常温
答案
参考答案:D
乙烯装置工厂风的温度通常是()。
A.0℃
B.10℃
C.60℃
D.常温
参考答案:D
完形填空。 | ||||
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