STRATA　REPORT說MORTAR　JOINTS　EROSION

來源: 於 2010-06-30 19:57:31 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

　POSSIBLY　DUE　TO　INCORRECT　MIXTURE　OF　MORTAR　MATERIALS　是什麽意思阿，一定要大修麽？