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常温下,钢、不锈钢、水和空气的导热系数分别为()

A.45W·m-1·K-1,15 W·m-1·K-1,0.6 W·m-1·K-1和0.026 W·m-1·K-1
B.0.6 W·m-1·K-1 ,0.026 W·m-1·K-1,45 W·m-1·K-1 和15 W·m-1·K-1
C.0.026 W·m-1·K-1,0.6 W·m-1·K-1,15 W·m-1·K-1 和45 W·m-1·K-1
D.15 W·m-1·K-1,45 W·m-1·K-1 ,0.6 W·m-1·K-1 和0.026 W·m‐1·K-1

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