This bridge straddles a long span on the sea.

这个桥是非常的长的，跨海的。

youdao

Its influence to long-span Bridge is still a difficult problem to engineers.

其对结构内力分布及结构变形的影响是困扰工程技术人员的长期问题。

youdao

Its influence to long-span Bridge is still a difficult problem to engineers.

其对结构内力分布及结构变形的影响是困扰工程技术人员的长期问题。

youdao