精品女同,亚洲第一区在线观看,天天狠天天干,噜噜噜噜天天狠狠,永久免费毛片手机版在线看,亚洲一级毛片免费在线观看,午夜影院啪啪

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.