ゆうこうつうしょうこうかい 友好通商航海 LinksSentence search for 友好通商航海Sentence search for ゆうこうつうしょうこうかいKanji details for 友, 好, 通, 商, 航 and 海Edit in JMdict Noun1. (treaty of) friendship, commerce and navigation Discussions Log in to talk about this word.