单词	aerated concrete
释义	aerated concrete noun : concrete formed from cement that has been mixed with other materials (such as an expansion agent) and treated in such a way as to substantially reduce its density without similarly reducing its strength One U.S. supplier of aerated concrete panels and blocks is Hebel Southeast in Atlanta, a licensee of Hebel International in Olching, Germany, which developed the process for producing concrete shapes that weigh only a fifth as much as those made from conventional reinforced concrete. Stuart F. Brown, Forbes, 8 Sept. 1997 Word History First Known Use 1918, in the meaning defined above
随便看	tribunal tribunals tribunate tribunates tribune tribunes tribuneship tribuneships tribunicial tribunician tribunitial tribunitian tributaries tributary tribute tribute album tribute money tributer tributers tributes tributing tributor tributyl phosphate tributyltin tributyrins

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