永久型 meaning in English
permanent type
Examples
- Standard specification for aluminum - alloy permanent mold castings
铝合金永久型铸造件标准规范 - The antistatic mechanism and application of polymer antistatic agents are introduced
摘要介绍了高分子永久型抗静电剂的特点,作用机理和目前的应用概况。 - Polymer antistatic agents have little relation to relative humiditiy , friction and washing , and the process of antistic could persist for a long time
高分子永久型抗静电剂对空气的相对湿度依赖性小,抗静电效果持久,无诱导期,不受擦拭和洗涤等条件影响。