back stay造句

例句与造句

1. No back - stays & inclined pylon cable - stayed bridge is a new one . she has very prominent mechanical characters that it substitutes the deadweight of inclined pylon for the back stays force to counteract the girder deadweight of main - span
   无背索斜塔斜拉桥结构体系新颖,其最大的受力特点是利用倾斜索塔的自重来平衡主跨主梁上的恒载和活载,而省去了背索及其索力。
2. It's difficult to find back stay in a sentence. 用back stay造句挺难的