坑内 | [こうない, kounai] (n, adj-no) within a pit or (mine) shaft [Add to Longdo] |
坑内掘り | [こうないぼり, kounaibori] (n) pit mining [Add to Longdo] |
坑内掘り炭鉱;坑内掘炭鉱 | [こうないぼりたんこう, kounaiboritankou] (n) underground coal mine [Add to Longdo] |
坑内事故 | [こうないじこ, kounaijiko] (n) mine accident [Add to Longdo] |
坑内事故 | [こうないじこ, kounaijiko] Grubenunglueck [Add to Longdo] |