They first react with water to produce the silane triol, releasing alcohol as a by-product.

它们与水反应，产硅三醇，释放出副产物乙醇。

The role of polyoxyethylene triol,rosin polyester polyol and asphalt in the asphalt-polyurethane rigid foam was stressed.

重点介绍了聚氧乙烯三醇、松香芳聚酯多元醇在配方中的作用。