坑内 こうない noun (common) (futsuumeishi) nouns which may take the genitive case particle 'no' 坑内こうない Noun Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' within a pit or (mine) shaft 漢字 kanji used 坑 pit, hole 7画 内 inside, within 4画
坑内こうない Noun Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' within a pit or (mine) shaft
Shirabe