问题
单项选择题
输气管线内天然气温度太低，将使管内形成（）。
A.水合物
B.汽雾
C.水垢
D.杂质
答案
参考答案：A
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输气管线内天然气温度太低，将使管内形成（）。
A.水合物
B.汽雾
C.水垢
D.杂质
参考答案：A
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