基本解釋聚甲醛同根派生 polyformaldehyde相關詞英漢例句Our factory lies in Fushun, Liaoning Province.We focus on the production of Teflon and polyformaldehyde steel-backed compound materials.本廠主要生產聚四氟乙烯鋼背復合材料和聚甲醛鋼背復合材料。polyformaldehyde更多例句