acetal resins
[机] 缩醛树脂
poly(vinyl) acetal resin coating
[化] 聚乙烯醇缩醛树脂涂料
polyvinyl acetal resin
[机] 醋酸乙烯树脂
vinyl acetal resin
[建] 乙烯醇缩乙醛树脂
