97久色|消失的爱人电影完整版未删减在线观看|aⅴ天堂网|福利视频区,堕落色戒完整版哪能看,甜蜜电影在线观看完整版,亚洲激情五月婷婷

CN
CN
    • 潤強絲?-S2 End-hooked Steel Fiber (Dispersed, Glued)
    潤強絲?-S2 End-hooked Steel Fiber (Dispersed, Glued) Download

    15658479867185470sqQ.jpg

    RQS ? -S2 is cold-drawn steel-wire fiber that has hooked ends. In comparison to ordinary steel fiber, RQS ? -S2-reinforced concrete possesses more ductility and has a high load-bearing capacity. RQS ? -S2 can reduce micro-crack expansion due to plastic shrinkage, drying shrinkage and thermal cracking, and obstruct macro-crack formation and propagation.