释义 |
1 ?罗马水泥 概括来说,18世纪末在英国出现的罗马水泥(Roman cement),也就是天然水泥被开发了出来,19世纪初期天然水泥的研究时代也到来了。1824年英国人约瑟夫. 2 ?天然水泥 ... Roman cement天然水泥 Roman cement天然水泥,罗马水泥 Roman Holiday罗马假日/金枝玉叶 ...
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Cement was lacking, of course, but, as in the case of certain Roman walls, without interfering with its rigid architecture. 墙上显然缺乏水泥,但正象某些罗马的墙壁,对建筑物本身的坚固朴实却丝毫无损。 - 2
The Roman Empire mastered cement making, and some of that culture's masonry Bridges still stand 2,000 years later, author Courland said. 作者Courland说,罗马帝国掌握了水泥的制造,并且在当时建筑文化下的砌体结构保持了2000多年。
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