Because of the thermal conductivity of water, and water high into the rock wool products, the coefficient of thermal conductivity will rise dramatically.
由于水的导热系数很高，水分进入岩棉制品后，其导热系数将大幅度上升。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
屋面保温材料应选用孔隙多、表观密度小、导热系数(小)的材料。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
与传统的建筑材料相比，陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
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