Because of their wide range of concrete materials,low cost,high compressive strength,can be poured into various shapes,and a good fire-resistant and difficult to weathering,low maintenance costs,the building structure in the world today has become the most widely used in building materials.The main drawback is that the concrete tensile poor,vulnerable to cracking.A large number of engineering practice and theoretical analysis shows that almost all of the concrete structures are working with cracks,but some very small cracks,or even invisible to the naked eye (
帮我翻译xiexie le wo hen ji
1个回答
相关问题
-
Wo hen hao Ω Ye hen kuai le.
-
wo le wa ki mi dai si ki和wo le wa xin ji de
-
ji:kai diannao le que meiyou wo de diannao
-
wo de shu ru fa mei le ,zen me ban,ji!
-
ji jiu ,wo de yu yan lan kan bu jian le ,
-
wei shen me wo de pin yin da bu chu lai yi jing hen jiu le
-
ta hao ji tian mei gei wo da dian hua ,shi bu shi ta bian le
-
英语翻译wo bu de bu shuo ni hen xiang wo de yao jiejie you dian
-
英语翻译ni bu li wo ,wo shuijiao le yo .这个求翻译,mao yangwen pingyi
-
日文发音翻译成中文Wo le ho ton li ne ver gi ve up la,dei mo wo le ga