とうふっかくせん 等伏角線 LinksSentence search for 等伏角線Sentence search for とうふっかくせんSentence search for とうふくかくせんKanji details for 等, 伏, 角 and 線Edit in JMdict Noun1. isoclinic lineGeologyOther forms等伏角線 【とうふくかくせん】 Discussions Log in to talk about this word.