1. With phosphate as the main composition, an optimum composition of cleaning agent that can degrease, descale and prevent rust has been determined.
   摘要通过试验确定了以磷酸为主剂的除油除锈防锈“三合一”清洗剂的最佳配比；
2. With phosphate as the main composition,the optimum composition of cleaning agentthat can degrease,descale and be untirust has been determined by experiment.
   通过试验确定了以磷酸为主剂的除油除锈防锈“三合一”清洗剂的最佳配比;

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