double bow system的意思|示意
美 / /
英 / /
双船首系统
double bow system的网络常见释义
双弓体系 Two arch ribs are installed in transversal direction to form a“double bow system”.
double bow system相关例句
Two arch ribs are installed in transversal direction to form a"double bow system".
四川绵阳飞云大桥的主桥系三跨系杆拱桥,横向设两根拱肋,构成“双弓体系”。