backstays怎么读，backstays什么意思，backstays短语和例句

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。