双螺旋桥 Helix Bridge ; Double Helix Bridge
竖旋桥 [交] bascule bridge ; weigh bridge ; leaf bridge ; bascule bridge west bank
螺旋桥 Helix Bridge
平旋桥 [建] swing bridge ; turnable bridge
滚动式竖旋桥 roller balance bridge ; roller bascule bridge
双翼平旋桥 double leaf swing bridge
竖旋桥的双翼 bascule
旋桥桥墩 pivot pier
浮旋桥 pontoon swing bridge
应用推荐