Who designed the arch bridge with granite - faced pylons at either end?谁设计在拱桥两端镶有花岗岩的塔门?The paper introduces overall arrangement, structure, calculation of main cable and pylons of cable supporting crane.主要介绍缆索吊机总体布置 、 结...
At times only the tip of the high pylons were visible above water level.有时候只能看见高出水面的塔门尖顶.Who designed the arch bridge with granite - faced pylons at either end?谁设计在拱桥两端镶有花岗岩的塔门?The paper introduces overall arrangement, s...