Eiffel Tower,wrought-iron tower in Paris,a landmark and an early example of wrought-iron construction on a gigantic scale.It was designed and built by the French civil engineer Alexandre-Gustave Eiffel for the Paris World's Fair of 1889.The tower,without its modern broadcasting antennas,is 300 m (984 ft) high.The lower section consists of four immense arched legs set on masonry piers.The legs curve inward until they unite in a single tapered tower.Platforms,each with an observation deck,are at three levels; on the first is also a restaurant.The tower,constructed of about 6300 metric tons (about 7000 tons) of iron,has stairs and elevators.A meteorological station,a radio communications station,and a television transmission antenna,as well as a suite of rooms that were used by Eiffel,are located near the top of the tower.
最新问答： 一百个牲口一百块瓦骡子驮三马驮二,三个毛驴合驮一块瓦问多少个骡子,马,毛驴能驮完 “我爱你一生一世”译成英文 太难英文怎么说 （1+0.23+0.34)x(0.23+0.34+0.65)-(1+0.23+0.34+0.65)x(0.23+0.34 棠组词有哪些 用所给单词的正确形式填空。 1. ______ family name is Bush. (she) 甲、乙两车间生产同一种零件,乙车间比甲车间平均每小时多生产30个,甲车间生产600个零件与乙车间生产900 刻度尺上相邻的两条刻度线之间的长度叫什么 （2007•武汉）下列实验操作中正确的是（ ） 你的名字叫Mike吗？翻译成英文 我发现我爱上你了英文怎么说 怎么由标况下的蒸汽密度算出标况下的密度? 人类获得核能的主要方式是什么 ,有核聚变么,不是说核聚变是不可控的么 翻译：有时候让你疲惫的不是远方的大山,而是你鞋子里的一粒沙子.(it is) aabb式形容颜色的词语. 两个质数的倒数和是[7/10]，则这两个质数的和是______． May I________a fovor___you?A.do,of B.ask ,of C.ask,for job中的o和nose中的o读音一样吗 Said与ask何时可以互换 抛物线y=-x2-2x+m，若其顶点在x轴上，则m=______．
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