3p绿帽对白看自己老|电视剧免费全集在线观看豆瓣|99自拍视频在线观看|成人在线观看一区,老井完整版未删减mp4在线观看,传媒视频免费在线观看,他是谁电视剧在线观看全集免费10

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.