acetal resinsacetalresinaldehyde resinderlinpolyacetals缩: contract; shrink醛: aldehyde树脂: resin丁缩醛树脂: butyral resin聚缩醛树脂: polyacetal resin下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:缩醛树脂,即可在微信中查询翻译