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【单选题】
绝热材料的导热系数与含水率的关系是( )。A.
含水率越大导热系数越小
B.
导热系数与含水率无关
C.
含水率越小导热系数越小
D.
含水率越小导热系数越大
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A.
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B.
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C.
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D.
it collected samples only from those offences that may lead to jail terms.
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