用水和同温空气冷却物体,为什么水的表面传热系数比空气大很多?
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Fill in the blanks with the words from the table above.We marvel at man's skill and ___________ putting complex pieces of machinaery into space.
Fill in the blanks with the words from the table above.He augued very _________ that the claims were true.
Fill in the blanks with the words from the table above.She showed her great _______________ in her assessment of the family situation.