常见例句用作名词 (n.)We need a tool for turning a groove into the urethane wheels.我们需要一个工具的聚氨酯轮子转成一个槽。Urethane acrylates are expensive compared to other classes of acrylates.聚氨酯丙烯酸酯比其它类型的丙烯酸酯贵。 返回 urethan