词汇	retarder activator
释义	retarder activator n.防焦剂
随便看	perforated cylinde perforated cylinder perforated cylinder drier perforated cylinder dyeing machine perforated deflecting cap perforated diaphragm perforated dictyostele perforated disc perforated disk perforated distribution plate perforated distribution roll perforated distributor Perforated diverticulum perforated domain perforated domains perforated drain perforated drainage tube perforated drain pipe perforated drum perforated drum dryer perforated dry pipe perforated duodenal bulb ulcer perforated duodenal ulcer perforated dye spool perforated eardrum