聚甲醛 jùjiǎquán polyformaldehyde Definitions Defs Origin Strokes Stroke Words Sentences Sents 聚甲醛 jùjiǎquán polyformaldehyde a high-performance engineering plastic; polyformaldehyde (CH2O)n Frequency Written text 0.362 per million Sources Frequency data BCC Corpus (BLCU)
聚甲醛 jùjiǎquán polyformaldehyde a high-performance engineering plastic; polyformaldehyde (CH2O)n Frequency Written text 0.362 per million Sources Frequency data BCC Corpus (BLCU)
