超级乱婬AV片免费,亚洲gay片在线gv网站,性人久久久久,成人片免费无码播放

Common Grouting Materials

Common Grouting Materials

Products

JGM?-II High Strength Cementitious Grout without Shrinkage

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…