字典網>> 英漢字典>> R開頭詞條>>ring opening polyaddition的意思 漢英字典ring opening polyaddition中文翻譯：【化】 開環加成聚合字典網 相關詞條：ring motor ring-wall lesion ringmaster Ringer's solution Ringbom's curve ring-bone ring bus ringing ring nuclei ring the bell