知识问答
最佳答案：Durem 311 is a highly effective hydrophobic agent for aqueous paints, which can
最佳答案：Durem 311 is a highly effective hydrophobic agent for aqueous paints,which can c
最佳答案：Ocean surface evaporation of water through the formation of vapor, rising throug
最佳答案：The function of condenser is to diminish the moisture in the drying room so that
最佳答案：Since the discovery of continuous oxidation on the surface of TiO2 can occur in
最佳答案：washing instruction :Carpet surface washing:1.Clean the dust in the gap of the c
最佳答案：1.Maybe you'll feel strange,though the world nearly 75% surface is covered with
最佳答案：I think the beauty in heart is very important.It's more usefull than the beauty
最佳答案：This text disposes out and adds carbon nanometer particle and surfactant among t
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