短語(yǔ)詞組短語(yǔ)compound plugging removal 復(fù)合解堵compound plugging agent 復(fù)合堵漏劑high strength compound plugging agent 高強(qiáng)度復(fù)合堵劑compound grain plugging agent 復(fù)合顆粒堵劑 返回 plugging compound