The Pantheon is an impressive example of the exquisite architectural technique of ancient Rome. 萬(wàn)神殿是古羅馬精湛建筑技術(shù)的典范。
With the development of building technology, the need of construct materials is more and more, especially to the high strength and long perdurability of concrete. 隨著(zhù)建筑技術(shù)的發(fā)展，人們對結構材料的要求越來(lái)越高，尤其是對混凝土的高強性和耐久性的要求越來(lái)越高。
