The characteristics of filter between no precoat and precoat were compared.

了江苏省内精密的使用情,对比了不预涂和预涂的特点。

Studies on heat exchanger aluminum fin precoat of air conditioner were reviewed. Six types of precoat as well as the application of hydrophilic precoat were described.

顾了空调机热交换预涂层铝散热片的研究概，了6种类型预涂层散热片材料的基本情以及亲水性预涂膜散热片的应用效果。提出了该课题今后的研究方向。