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本文对聚醚酯作为混合工质的冷冻机油进行了台架试验，结果表明聚醚油的性能优良， 并对聚醚酯的生物降解性和添加剂对其生物降解性的影响作了评估， 在实验条件下， 聚醚油的生物降解率在２０％ － ７５％ 之间。
In this paper, polyether ester as a mixture of refrigerating machine oil conducted a bench test, the results show that polyether oil excellent performance, and polyether ester biodegradability and additive biodegradability were evaluated in the Under the experimental conditions, the biodegradation rate of polyether oil is between 20% and 75%.