formocortal醛基: aldehyde group; formyl group缩松: shrinkage porosity缩醛基: acetal group内缩松: internal porosity二甲基缩醛: dimethylacetal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:醛基缩松,即可在微信中查询翻译