俺去俺来也www色官网cms|特黄色片|亚洲电影欧美片日韩|美人图未删电影完整版百度云,两个心脏在线观看完整版未删减西瓜视频,日本韩国在线,创世纪电视剧在线观看完整版国语

CN
CN
  • SBTHF?-Ⅴ Grouting Material for Post-tensioned Pre-stressed Concrete Structure
    SBTHF?-Ⅴ Grouting Material for Post-tensioned Pre-stressed Concrete Structure Download

    1565655330711944QZNO.jpg

    SBTHF? -V is an amalgamation of cement, low-alkali, high-expansion material and functional polymers.The grout possesses multiple properties with long workable time, no bleeding, and mild expansion. It is suited for the preparation of post-tensioning duct grouts applied in expressway and large bridge projects.