常见例句high-silica polysilicate alumina floeculant 高硅聚硅铝絮凝剂floeculant - producing strain 絮凝剂产生菌Inorganic floeculant 无机絮凝剂microbial floeculant 微生物絮凝剂organic floeculant 有机絮凝剂 返回 floeculant