AA heat exchanger is a device Bin which Cheat taken from a hot liquid or gas in order to warm Da. cold place.

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问题 AA heat exchanger is a device Bin which Cheat taken from a hot liquid or gas in order to warm Da. cold place.

选项 A、 
B、 
C、 
D、 

答案C

解析 (heat taken改为heat is taken)
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本试题收录于: 英语题库普高专升本分类
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