权威例句
Acidproof cementAcidproof cementAcidproof cementAcid and water proof cement내산 시멘트 복합제에 관한 연구 ( A Study on Acid-proof Cement Composite )내산 시멘트 복합체에 관한 연구 ( A Study on Acid-proof Cement Composite )폴리머 시멘트 모르터의 내산성에 관한 연구 ( A Study on the Acid-Proof of Polymer Cement Mortar )Effect of different additives on water proofness of magnesium oxychloride cementStudy of the applicability of the concrete protection method by sulfuric acid-proof mortarThermoplastic cement composition and process for the preparation of molded article thereofStudies on Preparation and Performance of Sodium Silicate/Graphite Conductive CompositesCOMPRESSIVE STRENGTH AND ACID RESISTANCE CHARACTERISTICS OF CEMENT PASTE AND MORTAR INCORPORATINGWASTE CERAMIC INSULATORA New Inorganic Cement Mortar For Sulfuric Acid Service