Agglutinants for concrete的意思|示意

混凝土凝结剂 混凝土充气用化学品 Concrete-aeration chemicals 混凝土凝结剂 Agglutinants for concrete 混凝土用凝结剂 Concrete (Agglutinants for –) ..

混凝土用凝结剂 混凝土用凝结剂 Agglutinants for concrete 促进金属合金形成用化学制剂 Chemical preparations for facilitating the alloying of metals ..