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主拱
1、barrelled arch───筒形拱
2、cusped arch───尖拱
3、principal components───主分量;主成分
4、arch mi───拱门mi
5、principal office───总部,总社;总办事处;校长室;总店,总部,总社
6、principal───n.ShouChang;校长;资本;当事人;adj.主要的;资本的
7、bregmatic arch───短弓
8、arch enemy───死敌
9、arch───n.(Arch)人名;(德)阿尔希;(英)阿奇;vt.使…弯成弓形;用拱连接;adj.主要的;vi.拱起;成为弓形;n.弓形,拱形;拱门
1、The fourth aortic arch of vertebrates, which is the principal source of the blood supply to the body.───脊椎动物的第四大动脉弓,是向全身输送血液的主要动力。
2、In this paper, the erection schemes, principal construction techniques for the steel tube arch and geometry control during erection of the arch of the Bridge are presented.───介绍大桥钢管拱的安装方案、主要施工技术以及施工过程中的线形控制。
3、direct earth pressure should be calculated by analysis of minor principal stress arch while the indirect earth pressure by analysis of major principal stress arch.───可用小主应力拱应力分析计算直接土压力,用大主应力拱应力分析计算间接土压力。