開坑 かいこう noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru 開坑かいこう Noun Irregular English JMdict (multilingual) 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru opening of mine 漢字 kanji used 開 open, unfold 12画 坑 pit, hole 7画
開坑かいこう Noun Irregular English JMdict (multilingual) 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru opening of mine