archeo-archaic, archeologist, archeology (拉丁语前缀)开始--古老的,考古学家,考古学archn.拱；拱门；拱状物v.成拱形；拱起adj.主要的；调皮的Archimedes' fulcrumarcheology research考古学研究Archibald operation胰管扩张术arch wire materials弓丝材料arch hinged at ends双铰拱Archbold's Newtoniaarcheological finds考古发现arch type sub press拱式小压力机Archanara sparganiin.黑三棱锹额夜蛾Archiacanthocephala姬鼠属

1. In this paper,lightweight light-expansion concrete is applied to the strengthening of arch bridges.
   将自行研究配制的轻质微膨胀混凝土应用于拱肋的加固。
2. Based on the construction control for the installation of main spans arch ribs in Nanhai Sanshan West Bridge, the principles and methods of the construction control are introduced.
   以广东南海三山西桥主桥拱肋吊装施工控制的具体实践为例，介绍了该桥施工控制过程中所采用的控制原理和方法。