The polymer Cement long afterylow luminescent coating was Prepared by adding proper strontium aluminate powders, white cement and other aids into polypropylene emulsion of nucleon-shell structure.是什么意思_The polymer Cement long afterylow luminescent coating was Prepared by adding proper strontium aluminate powders, white cement and other aids into polypropylene emulsion of nucleon-shell structure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句