垂すい直ちょく分ぶん業ぎょうMeaningsNoun1. vertical international specialization (specialisation)Kanji used垂droop直straight分part業businessComposed of垂すい直ちょくvertical; perpendicularNa-adjective分ぶん業ぎょうdivision of labor; division of labour; specialization; specialisation; assembly-line productionNoun