appearance of oil meaning in English

油的外表

With the extension of time , the properties of nylon poy became worse , i . e . higher concentration of oil , poor appearance of oil membrane and bad friction , cohesion as well as lower antistatic property
发现随着时间的延长，纤维表面油剂浓度增高，油膜状态变差，纤维磨擦性能、抱合性能下降。
In this paper , the influence of nylon poy storage time on fiber properties such as water content and oil content , cohesion , friction , appearance of oil membrane and antistatic property were discussed
摘要研究了存放时间对绵纶poy纤维含水率、含油率、抱合性、磨擦特性、油膜状态以及抗静电性等性能的影响。