拱顶

Teacher, all four confirmed the existence of the clef de vo?te... the legendary keystone.

大师，四个人都证实了拱顶石——那个传奇的拱顶石的存在。

Among the most common compound molding s are the projecting, double-curved cyma recta or ogee, often used as a crown molding , and the cyma reversa, used for crown or base.

最常见的复合式线脚是突出的双曲正波纹线或S形线，通常用作拱顶线脚，而反波纹线则用于拱顶或拱基。

Among the most common compound moldings are the projecting, double-curved cyma recta or ogee, often used as a crown molding, and the cyma reversa, used for crown or base.

最常见的复合式线脚是突出的双曲正波纹线或S形线，通常用作拱顶线脚，而反波纹线则用于拱顶或拱基。

" In stone ceilings, the use of pendant vault ing was a solution to the difficulty of adapting fan vault ing to very wide church naves."

由于教堂中堂的宽度较以往增大，悬垂拱顶以悬垂体解决了在石制天花板中使用扇形拱顶的困难。

" In stone ceiling s, the use of pendant vaulting was a solution to the difficulty of adapting fan vaulting to very wide church naves."

由于教堂中堂的宽度较以往增大，悬垂拱顶以悬垂体解决了在石制天花板中使用扇形拱顶的困难。

" In stone ceilings, the use of pendant vaulting was a solution to the difficulty of adapting fan vaulting to very wide church naves ."

由于教堂中堂的宽度较以往增大，悬垂拱顶以悬垂体解决了在石制天花板中使用扇形拱顶的困难。

" In stone ceilings, the use of pendant vaulting was a solution to the difficulty of adapt ing fan vaulting to very wide church naves."

由于教堂中堂的宽度较以往增大，悬垂拱顶以悬垂体解决了在石制天花板中使用扇形拱顶的困难。

The firebrick of secondary reformer dome has been turned up crack and breakage for many times maintenance,its service life is too short.

乌石化化肥厂第二套合成氨装置的二段转化炉拱顶自投运以来，拱顶砖经多次检修，仍出现裂纹和破碎现象，使用寿命过短。

When the single pile just exists at the upside of the tunnel crown, the minimum safe distance between pile toe and tunnel crown is half tunnel diameter.

4桩体位于隧道拱顶正上方时，桩端与隧道拱顶间的最小安全距离为0.5倍隧道直径。

Through the calculation of surface area of dome roof for a series of dome tanks, which have different volume, in our company, and after corresponding techno economic analysis, this paper gives calculation basis for the above mentioned estimation procedure.

文章针对镇海炼化公司圆柱形拱顶储罐检修过程中，其拱顶油漆防腐工程量核算中存在的问题，通过对公司内部不同容积拱顶罐的拱顶面积的计算，并进行了相应的技术经济分析，从而得出了拱顶储罐拱顶油漆防腐工程量的计算依据。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。