composite bridgeˈkɔmpəzitbridʒ短语¹⁴⁴⁹⁷²⁺² 基本例句 组合桥 Steel- concrete composite bridge is a new type structure in which the steel and the concrete are integrated by connectors to take advantage of the respective properties of tension and compression. 钢—混凝土组合梁利用了钢材受拉性能好、混凝土受压性能好的特点，将两种材料通过连接件组合成整体而共同受力的一种新型结构。 qk114