key type短语⁴⁵⁶⁰⁶ 基本例句 n.计键类型 Key type automatic gearbox is used to adjusting the cutting of paper length. 采用链条式无级变速箱调整切纸长短。 kuenglish Key type drill chuck, which is widely used in various minal and fixing enterprises, is a kind of drilltightening device. 扳手钻夹头是广泛用于各工矿企业，装修行业的钻头夹紧装置。 cnki