单选题:保冷结构由内至外,按功能和层次由(  )组成。

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  • 题目类型:单选题
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题目内容:
保冷结构由内至外,按功能和层次由(  )组成。 A. 防锈层、保冷层、防潮层、保护层、防腐层及识别层
B. 防锈层、防潮层、保冷层、保护层、防腐层及识别层
C. 防锈层、保冷层、保护层、防潮层、防腐层及识别层
D. 防锈层、保冷层、防潮层、防腐层、保护层及识别层
E.
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