n. 挡泥板支条（backstay 复数）
1.If viaduct approach spans are considered then perhaps the approach piers could be used to anchor the backstays.
如果设计中考虑高架引桥，则引桥的桥墩可用来锚定后拉索。
2.If viaduct approach spans are considered then perhaps the approach piers could be used to anchor the backstays.
如果设计中考虑高架引桥，则引桥的桥墩可用来锚定后拉索。