一级持黄录像免费看,试看福利,蜜桃av中文字幕,麻豆精品久久,福利视频免费在线观看,欧美91在线国内日韩,一区二区三区网

CN
CN
  • JGM?-II High Strength Cementitious Grout without Shrinkage
    JGM?-II High Strength Cementitious Grout without Shrinkage Download

    1565847855109154QHpm.jpg

    JGM ? -II high-strength cementitious grout without shrinkage is an inorganic material, as well as a complicated mix of inorganic and organic materials. It possesses the characteristics of self-leveling, a high early stage strength, slight expansion, and good fatigue resistance, etc. It is particularly suitable grouting for nuclear power stations and other special equipment, grouting for large-seal equipment foundation, etc.