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

它们首先可与水反应，产生，释放出副产物。

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、松香芳烃聚酯多元在配方中的作用。