该引桥坡道是双层公路桥。

The approach ramp is a double deck roadway structure.

试验结果为福州闽江三桥北引桥的设计提供理论依据，也为箱梁理论研究提供实践基础。

The experiment provides a basis of the approaching span of Third Minjiang River Bridge design in Fuzhou in particular as well as the theoretic study of box girder in general.

大跨度拱桁式钢引桥是外海开敞式深水码头栈桥常用的上部结构型式之一。

Large-span arch truss steel bridge is a common superstructure of trestle bridge on open sea.

本文首先对桥梁顶升理论和工程监测技术进行研究，然后重点对南浦大桥引桥的顶升过程进行分析。

This thesis first introduces the bridge lift-up theory and engineering monitoring technology, and then focuses on the lifting process of Nanpu bridge Approach.