せんこうき 穿孔機 LinksSentence search for 穿孔機Sentence search for せんこうきSentence search for せん孔機Kanji details for 穿, 孔 and 機Edit in JMdict Noun1. drilling machine; boring machine; drill pressNoun2. keypunch; card punching machineOther formsせん孔機 【せんこうき】 Discussions Log in to talk about this word.