Some durability tests such as drying shrinkage test, sulphate attack test, briny erode test, freezingand thawing recycles test and reinforcing steel rust test are taken on.

 
  • 為此本文亦進(jìn)行了摻加JYQ796型高效無(wú)機防水防潮劑的水泥砂漿或混凝土的一系列耐久性實(shí)驗,如干縮實(shí)驗,抗硫酸鹽侵蝕、抗海水侵蝕、抗凍融循環(huán)、抗鋼筋銹蝕等。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan